Search found 8214 matches

by fr8mech
Thu Jul 29, 2021 10:08 am
Forum: Technical/Operations
Topic: Welding in the main gear well ?
Replies: 10
Views: 517

Re: Welding in the main gear well ?

fr8mech wrote:

Without looking at the book, I'm pretty sure that Boeing considers wheel wells as enclosed spaces for classifying fuel leaks, so welding in there would be a no-no.


Meant to add "I suspect Airbus also classifies the wheel well the same way".

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by fr8mech
Thu Jul 29, 2021 9:29 am
Forum: Technical/Operations
Topic: Welding in the main gear well ?
Replies: 10
Views: 517

Re: Welding in the main gear well ?

Normally, if something needs to be welded, it is removed from the aircraft. I have no experience on the A320, but I can't imagine that there is anything in the wheel well that would have to be welded in-situ. Without looking at the book, I'm pretty sure that Boeing considers wheel wells as enclosed ...

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by fr8mech
Tue Jul 27, 2021 3:05 pm
Forum: Non-Aviation
Topic: Advanced Child Tax Credit
Replies: 8
Views: 493

Re: Advanced Child Tax Credit

So are you saying you're getting a tax credit that you're not eligible for ? No, I am eligible, I just don’t want it right now. We structure our tax strategy very carefully. Edit: we’re probably no longer eligible based on our new income. So, we don’t need this money, both in the short term, nor as...

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by fr8mech
Mon Jul 26, 2021 11:48 pm
Forum: Non-Aviation
Topic: Advanced Child Tax Credit
Replies: 8
Views: 493

Re: Advanced Child Tax Credit

Life's a real bitch, but when you compound the issue with the burdens of the First World it becomes almost unbearable. Heads up - document verification is the next big fraud prevention thing, get used to it. If it's a requirement for voting it's going to be a requirement to fart in your own bed pre...

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by fr8mech
Mon Jul 26, 2021 11:00 pm
Forum: Non-Aviation
Topic: Advanced Child Tax Credit
Replies: 8
Views: 493

Advanced Child Tax Credit

So, as I was reviewing my checking account for the last month, I found a deposit from the IRS that I wasn’t expecting. Knowing that the US government would not send someone like us…an actual tax paying family…free money, I quickly found that it was the Advanced Child Tax Credit. So, we decided that ...

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by fr8mech
Thu Jul 22, 2021 4:27 am
Forum: Non-Aviation
Topic: SUV Illegally Enters United States From Canada
Replies: 18
Views: 1245

Re: SUV Illegally Enters United States From Canada

ArchGuy1 wrote:
On July 4, an SUV with seven people drove over the lawn at the Haskell Free Library


Was the SUV coerced by these seven people, or did it act of its own volition?

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by fr8mech
Sat Jul 17, 2021 11:30 am
Forum: Technical/Operations
Topic: Protective corrosion coatings and aerodynamics
Replies: 7
Views: 870

Re: Protective corrosion coatings and aerodynamics

Can these grease gun stains be cleaned off or are they sort of etched permanently in the material? They can be cleaned off. Might take a little elbow grease if the stain has been there a while, but it should come off. Airlines have cleaning schedules, just like any other maintenance schedule they k...

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by fr8mech
Sat Jul 17, 2021 1:02 am
Forum: Technical/Operations
Topic: Protective corrosion coatings and aerodynamics
Replies: 7
Views: 870

Re: Protective corrosion coatings and aerodynamics

convair880mfan wrote:

Also, are the dark stains and streaks on this material caused by normal hydraulic fluid loss or leaks? .


These stains are not necessarily leaks. Sometimes a mechanic might have gotten a little overzealous with the grease gun. A couple of couple of cycles and you get these streaks.

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by fr8mech
Sat Jul 17, 2021 12:52 am
Forum: Technical/Operations
Topic: Lowering flaps and gear at the same time.
Replies: 12
Views: 1449

Re: Lowering flaps and gear at the same time.

CALTECH wrote:
Then again, on some twins, there are no engine driven pumps for a hydraulic system, 767 has 2 electric pumps running the center hydraulics...



Don’t forget the air-driven pump.

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by fr8mech
Fri Jul 16, 2021 11:37 pm
Forum: Technical/Operations
Topic: Lowering flaps and gear at the same time.
Replies: 12
Views: 1449

Re: Lowering flaps and gear at the same time.

Can't speak for other aircraft but for both the 747-200 and 400, 2 miles prior to the FAF or OM (or thereabouts for visuals), standard maneuver calls for 'gear down' flaps 20 (Assuming the flaps were already at 10 for maneuvering). It's done simultaneously. I don't recall any restrictions. After ge...

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by fr8mech
Thu Jul 15, 2021 5:18 pm
Forum: Technical/Operations
Topic: Question For the Mechanics: Which Commercial Aircraft Have Been Easiest and Most Difficult For You to Work On?
Replies: 16
Views: 2516

Re: Question For the Mechanics: Which Commercial Aircraft Have Been Easiest and Most Difficult For You to Work On?

Pressure Ratio Bleed Control? Yes. Sorry, that’s some old school stuff there. Pratt buried that thing in the engine at about the 1130 position, in about the most inaccessible place. As I recall, TWA modified their engines to move all the bleed components, except the valves, to the 7oclock position....

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by fr8mech
Thu Jul 15, 2021 11:34 am
Forum: Technical/Operations
Topic: Question For the Mechanics: Which Commercial Aircraft Have Been Easiest and Most Difficult For You to Work On?
Replies: 16
Views: 2516

Re: Question For the Mechanics: Which Commercial Aircraft Have Been Easiest and Most Difficult For You to Work On?

I think every aircraft has its challenges. On the JT9 equipped Classic Jumbos, the PRBC and the Fuel/Air converter were a pain. Just about anything you do on the tail engine of the DC10/MD11 can be a challenge. It seems that the PTU on the B757 was hung from the assembly building ceiling and the air...

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by fr8mech
Wed Jul 14, 2021 10:10 pm
Forum: Non-Aviation
Topic: Is a speeding ticket for going 8 MPH over harsh?
Replies: 72
Views: 2816

Re: Is a speeding ticket for going 8 MPH over harsh?

This is something I see a lot. And I don't understand it. Would you mind to explain? A road with a 35 mpg limit would generally be road within city limits. Cyclists, pedestrians present. Driveways are there also, so intrusions are to be expected. OTOH a road with a 70 mph limit will be a limited ac...

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by fr8mech
Wed Jul 14, 2021 9:44 pm
Forum: Technical/Operations
Topic: Post retirement…options
Replies: 15
Views: 2692

Re: Post retirement…options

Hey Mel, how do you feel about teaching? I personally would love to teach post retirement. Teachers with real industry experience make a huge difference in the quality of education. I was thinking about that. There is a school nearby that I could probably teach some A&P classes. But, I disagree...

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by fr8mech
Wed Jul 14, 2021 1:33 pm
Forum: Non-Aviation
Topic: Is a speeding ticket for going 8 MPH over harsh?
Replies: 72
Views: 2816

Re: Is a speeding ticket for going 8 MPH over harsh?

Cops here won't usually care about 10% over the speed limit, as you're likely to get caught by a speed camera anyway, they'll go after people driving way over the limit. I had this discussion with my daughter when she was learning to drive. She said her friends told her 10% was ok…that an officer w...

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by fr8mech
Tue Jul 13, 2021 6:57 pm
Forum: Non-Aviation
Topic: Is a speeding ticket for going 8 MPH over harsh?
Replies: 72
Views: 2816

Re: Is a speeding ticket for going 8 MPH over harsh?

I routinely go 10 over the limit on any road up to 70 MPH, then I dial it back to 5-7 over, depending on what the flow is. The way I see it, the faster you go, the greater potential for severe injury should even a minor…are there really any minor wrecks at that speed…wreck occur. The Officer may hav...

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by fr8mech
Mon Jul 12, 2021 10:56 pm
Forum: Technical/Operations
Topic: Post retirement…options
Replies: 15
Views: 2692

Re: Post retirement…options

Seems most guys after retiring from Aviation dont want to get back. My thinking is a bit different. Retirement thoughts get me to think a lot and with 8 yrs to go, I would love to be in the Industry in some area always. You’re right; while I love aviation and wouldn’t choose another career if I had...

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by fr8mech
Sat Jul 10, 2021 10:04 pm
Forum: Technical/Operations
Topic: Biz-jet thrust reversers activated whilst taxiing.
Replies: 24
Views: 2419

Re: Biz-jet thrust reversers activated whilst taxiing.

Keeps the aircraft from speeding up too much. It’s easier on the brakes.

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by fr8mech
Sat Jul 03, 2021 1:36 am
Forum: Technical/Operations
Topic: Why is the BAC limit for pilots higher than that of driving in the US states?
Replies: 12
Views: 1978

Re: Why is the BAC limit for pilots higher than that of driving in the US states?

.04 is a good buffer. Dessert cakes, mouth wash, and cough medicine… of note, .04 is the limit to turn a wrench on a plane too. I’m my experience with various U.S. 121 operators…. Company policy is usually .00. Ours is .02. But, as a note, the regulation for mechanics and other safety sensitive emp...

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by fr8mech
Fri Jul 02, 2021 11:54 pm
Forum: Non-Aviation
Topic: Fast food Fish
Replies: 24
Views: 1937

Re: Fast food Fish

Fast food fish...is not a real thing. Ok, ok, I know it's on the menu, but really? As a New Zealander I disagree, fish and chips is an integral part of our culture, Australians and British would also agree. Where I used to work, the local fish and chips place (which also sold fish to cook at home) ...

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by fr8mech
Fri Jul 02, 2021 8:32 pm
Forum: Non-Aviation
Topic: Vaccination Hub at the Empire State Building
Replies: 4
Views: 646

Re: Vaccination Hub at the Empire State Building

So, NYC is going to put unvaccinated people in an elevator and take them up to the vaccination site? I’ve been in those elevators, social distancing is not possible. Even with masks, isn’t the increased risk of transmission a problem? That’s a little tongue in cheek there. I think it’s a good thing ...

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by fr8mech
Fri Jul 02, 2021 6:31 pm
Forum: Technical/Operations
Topic: Why is the BAC limit for pilots higher than that of driving in the US states?
Replies: 12
Views: 1978

Re: Why is the BAC limit for pilots higher than that of driving in the US states?

Why? I mean, in that PDF, it said that pilots should wait at least 8+ hours before flying (especially flying IFR) “May” (not) and “shall” (not), not “should not”. FAR91.17 & FAR120.37 explicitly state that a person can’t act as a crew member (Part91) or in a safety sensitive position (Part120) ...

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by fr8mech
Fri Jul 02, 2021 12:17 am
Forum: Technical/Operations
Topic: Lightning Strike on 777
Replies: 17
Views: 3202

Re: Lightning Strike on 777

CALTECH wrote:
Many rivets usually melt and it looks like a woodpecker went down the fuselage.


I once called them "pecker tracks" on a conference call. I swear there was dead silence for 10 seconds. Later, I got a call from my boss and told me not to call them that anymore.

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by fr8mech
Wed Jun 30, 2021 3:51 am
Forum: Non-Aviation
Topic: Fast food Fish
Replies: 24
Views: 1937

Re: Fast food Fish

Fast food fish...is not a real thing. Ok, ok, I know it's on the menu, but really? I don't know, I'm picky about my fish. I don't even order it at a restaurant, though I eat sushi all the time. So, go figure. I normally cook my own at home. Doesn't take too long. McD's is the only US style chain whi...

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by fr8mech
Wed Jun 30, 2021 3:40 am
Forum: Technical/Operations
Topic: Lightning Strike on 777
Replies: 17
Views: 3202

Re: Lightning Strike on 777

Here's how I think about it: Not a bad analysis. Lightning strikes can cause all kinds of damage. There are at least 2 points of damage; the entry point and the exit point. More often than not, there will be additional damage between the 2 points as the lightning skips across the fuselage. The exit...

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by fr8mech
Mon Jun 28, 2021 3:17 pm
Forum: Non-Aviation
Topic: My Doctor Tried To Talk Me Out Of Getting A COVID Vaccine
Replies: 104
Views: 7506

Re: My Doctor Tried To Talk Me Out Of Getting A COVID Vaccine

Is this the only problem you have with her? Have you typically been happy with the care you’ve received there? Is this a deal breaker for you? I’ve seen lots of doctors recently, some have varied in their opinions on how I should be treated. Ultimately, the decision was mine. My bigger concern would...

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by fr8mech
Mon Jun 28, 2021 1:25 am
Forum: Technical/Operations
Topic: Lightning Strike on 777
Replies: 17
Views: 3202

Re: Lightning Strike on 777

I’ve seen lightning strikes cause little to no damage, and I’ve seen them cause a lot of damage. Just depends on the circumstances. The components that we’ve replaced due to lightning damage are too numerous to detail, but flight controls and radomes are at the top of the list. A reported lightning ...

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by fr8mech
Sat Jun 26, 2021 5:45 pm
Forum: Non-Aviation
Topic: 'Long Covid' news and discussion
Replies: 36
Views: 2603

Re: 'Long Covid' news and discussion

I’d say your “just get over it” attitude is harmful and actually achieves the opposite. As adults, I say that we can agree to disagree on that. And, if you don’t agree to disagree, I’ll get over it. How we deal with emotional, psychological or physical trauma directly impacts our mental health. If ...

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by fr8mech
Mon Jun 21, 2021 7:05 pm
Forum: Non-Aviation
Topic: 'Long Covid' news and discussion
Replies: 36
Views: 2603

Re: 'Long Covid' news and discussion

Potential long term bad effects on brain: “We’re seeing a shrinkage in the study in three main areas, and these areas are responsible for taste and smell, memory, and emotion,” Nerurkar told NBC.[/i] Loss of emotion... how does one tell in an engineer? ;) Lightsaber I’ve always suffered from a dimi...

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by fr8mech
Mon Jun 21, 2021 6:00 pm
Forum: Non-Aviation
Topic: 'Long Covid' news and discussion
Replies: 36
Views: 2603

Re: 'Long Covid' news and discussion

I didn't have the fatigue, but over two months after the 2nd dose I still cannot taste fat. This ruins the enjoyment of most deserts including ice cream and miss bacon. I also have mild tinnitus on and off, apparently a very common long haul symptom. Lightsaber A coworker also lost his sense of tas...

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by fr8mech
Mon Jun 21, 2021 2:47 pm
Forum: Non-Aviation
Topic: 'Long Covid' news and discussion
Replies: 36
Views: 2603

Re: 'Long Covid' news and discussion

As I mentioned in an earlier thread, it looked like I was going to be a “long-hauler” after I recovered from COVID. The same symptoms I had with the disease (fatigue, muscle aches, lethargy) remained, but to a lesser extent, long after the disease was gone. Those symptoms have completely disappeared...

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by fr8mech
Thu Jun 17, 2021 6:01 am
Forum: Non-Aviation
Topic: IntelliDrive
Replies: 4
Views: 751

Re: IntelliDrive

Liberty Mutual has a similar program. When my daughter started driving, she used it for 90 days. Dropped her quote by 30%.

At the end of the 90 days, we sent the unit back and deleted the app.

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by fr8mech
Sun Jun 13, 2021 1:26 am
Forum: Non-Aviation
Topic: CoVid Vaccine Experience
Replies: 128
Views: 12212

Re: CoVid Vaccine Experience

My older child, < 15 years old, had no symptoms post 2nd dose. I keep looking at the vaccine card to verify she received a vaccine (Pfizer) My son (15) got his 2nd jab last Friday. A buddy of his got it on Saturday. We took them, plus one more, on vacation to KY Lake this week. Didn’t hear a single...

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by fr8mech
Tue Jun 08, 2021 6:47 pm
Forum: Technical/Operations
Topic: Cargo doors open inward or outward
Replies: 26
Views: 3513

Re: Cargo doors open inward or outward

How can you access the bulk cargo hold on 757s without the bulk cargo door? Strange question. On any B757 I’ve been exposed to, the lower compartments are all bulk loaded. Yeah, I’ve seen some with a conveyor system, and some with a modular/nesting/telescoping loading system, but never a container ...

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by fr8mech
Mon Jun 07, 2021 11:59 am
Forum: Technical/Operations
Topic: Cargo doors open inward or outward
Replies: 26
Views: 3513

Re: Cargo doors open inward or outward

Then again you could theoretically built cargo doors to operate similar to the doors I suppose. Being slotted in place to make a plug type door while still opening outwards. Does any aircraft do this? Hmm... The B757 lower cargo doors are plug doors that open outward. I seem to recall the B727-2xx ...

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by fr8mech
Fri Jun 04, 2021 10:28 pm
Forum: Technical/Operations
Topic: "It's going to take a little longer because we're a Max"
Replies: 19
Views: 4748

Re: "It's going to take a little longer because we're a Max"

My airline has a small fleet of A321neo with LEAP engines. When the engine is cold, start up takes about a minute. When it's warm, you're looking at 1 minute 40 seconds to start and then a 3 minute warm up period before takeoff. Quick question: is that 3 mins before you can advance the throttle, or...

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by fr8mech
Thu Jun 03, 2021 6:26 am
Forum: Non-Aviation
Topic: Dash Cams
Replies: 20
Views: 1390

Re: Dash Cams

Can't see why you had to include that you are a "gay Jewish" whatever... Because, those of us that have been here a couple of decades with Doc know him and know that he likes playing the stereotype. He's done it before and he'll do it again. He's comfortable with who he is and, quite simp...

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by fr8mech
Wed Jun 02, 2021 8:43 pm
Forum: Non-Aviation
Topic: Dash Cams
Replies: 20
Views: 1390

Re: Dash Cams

Doc- do it yourself. Not hard to do and you can be guaranteed it will be done right. https://www.amazon.com/dp/B072J3L2JN/?coliid=I1LMHNGRFTNLZN&colid=1LXV5PAWJ9LE9&psc=1&ref_=lv_ov_lig_dp_it These hardwiring kits are easy to install, the wiring harnesses and fuse interface is plug and ...

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by fr8mech
Wed Jun 02, 2021 9:59 am
Forum: Civil Aviation
Topic: Ouch—AA at DFW hits light pole
Replies: 121
Views: 16555

Re: Ouch—AA at DFW hits light pole

This airplane could be a write off with a damage like this. If the spar is damaged which could very well have happened the damage might be beyond economic repair. I know the damage and repair history of an aircraft that hit a snow wall. Only lightly... You know, we had a B747-200 run in a light pol...

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by fr8mech
Wed Jun 02, 2021 3:58 am
Forum: Non-Aviation
Topic: Dash Cams
Replies: 20
Views: 1390

Re: Dash Cams

Doc, I bought this last year: http://amazon.com/gp/product/B00X528FNE/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 It is easy to install, but I bought the separate wiring kit so that it would come on when I started the car or when there was an impact with the car off. That installation is a l...

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by fr8mech
Tue Jun 01, 2021 7:21 pm
Forum: Non-Aviation
Topic: Weird car issues
Replies: 22
Views: 1404

Re: Weird car issues

Despite several 4 wheel alignments at different facilities it is more difficult to turn the steering wheel to the right than the left The car doesn’t ‘pull’ it holds a straight line in normal driving however while a left steering wheel input is effortless an input to the right is noticeably harder,...

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by fr8mech
Mon May 31, 2021 11:55 am
Forum: Technical/Operations
Topic: Age 67 for pilots
Replies: 6
Views: 1855

Re: Age 67 for pilots

It's a bad idea. Just kicks the can down the road and creates less opportunities for younger pilots, while older ones stagnate at the highest paid positions. Your statement indicates that the responsibility for “creating opportunities” falls on: -older pilots -the government Neither is true. Opport...

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by fr8mech
Wed May 26, 2021 6:48 am
Forum: Technical/Operations
Topic: Unexplained objects on UPS pushback tug tow bar
Replies: 25
Views: 5291

Re: Unexplained objects on UPS pushback tug tow bar

What is the SOP in terms of attaching at removing the PET ROCK. When is it attached and when can it be detached. According to the UPS book, installed after the aircraft is chocked and removed after the aircraft is loaded. How often do you see the tether actually stop the aircraft from tipping ? Ide...

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by fr8mech
Tue May 25, 2021 3:00 am
Forum: Technical/Operations
Topic: How common is significant over fueling?
Replies: 15
Views: 2599

Re: How common is significant over fueling?

What is the minimum required to remove fuel from an airliner? Can all aircraft do it or only on some? I assume you can't put it back into a hydrant system, so would you need an empty tanker with the ability to pump in the reverse direction? All the aircraft I’ve worked (B72/74/75/76, A300, DC8, L10...

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by fr8mech
Mon May 24, 2021 7:31 pm
Forum: Technical/Operations
Topic: Post retirement…options
Replies: 15
Views: 2692

Re: Post retirement…options

Hey Hawk, I don’t mean to throw a wet blanket on your plans. If you want to continue to work in the industry, more power to you. It’s just that I’ve seen quite a few of my former colleagues retire, go on to work as consultants or contractors or even go to other airlines to do the same job, and then ...

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by fr8mech
Mon May 24, 2021 3:14 pm
Forum: Technical/Operations
Topic: Post retirement…options
Replies: 15
Views: 2692

Re: Post retirement…options

At my planned retirement date(7’ish years from now), I will have 42 years in aircraft maintenance, 30 of those as management, and 38 years with the same employer. When I retire, the only time I will go to an airport will be to travel. The only aircraft I will touch, will be those that I travel on. I...

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by fr8mech
Mon May 24, 2021 12:06 pm
Forum: Technical/Operations
Topic: A320 Neo sound
Replies: 14
Views: 4415

Re: A320 Neo sound

Simply read a few more posts than only the very last one. I said it already earlier, hope that was enough to enlighten you. Gruß, masi1157 You say these pressure changes are actually some sort of resonance being set up, that can destroy the engine if it gets too strong Can you support/defend that w...

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by fr8mech
Sat May 22, 2021 5:15 pm
Forum: Technical/Operations
Topic: All about containers
Replies: 9
Views: 2975

Re: All about containers

They fall under the general category of Unit Load Devices (ULD). Here’s a quick primer on them. https://www.aviation-professional.net/2021/01/Unit-Load-Device-ULD-Certification-and-Identification.html Wiki has a decent article in them also. The current FAA guidance on them is here (TSO C90): https:/...

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by fr8mech
Sat May 08, 2021 3:50 am
Forum: Non-Aviation
Topic: CoVid Vaccine Experience
Replies: 128
Views: 12212

Re: CoVid Vaccine Experience

People are being sissies about this. It's a shot, we have all gotten one before It's really not about the shot itself, it's about the reaction to the shot(s) and in my case the happy circumstance where my lingering COVID symptoms disappeared. A quick note: a colleague, who also had lingering sympto...

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by fr8mech
Thu May 06, 2021 8:22 pm
Forum: Non-Aviation
Topic: Real ID in USA for domestic travel
Replies: 45
Views: 3006

Re: Real ID in USA for domestic travel

johns624 wrote:
My post office does the passport photo right there.


So does mine...$15

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