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What Caused The Damage To This HP 733?  
User currently offlineUSAFHummer From United States of America, joined May 2000, 10685 posts, RR: 52
Posted (10 years 8 months 2 weeks 5 days 4 hours ago) and read 3415 times:

Hi,

Last night at DEN I observed this HP 733, N316AW parked at the west end of C concourse, not docked to any jetways...as you can see there is a large gash in the outer skin just aft of the rear door...anyone have an idea what caused it and what the plan of action is to repair something like that? I'm guessing that such a small bit of damage isn't enough to ground the aircraft...am I correct?

I apologize for the quality of the photo but between bad light and inadequate equipment thats the best I could muster...the damage is still pretty discernible though...

http://f1.pg.photos.yahoo.com/ph/usafthumb/detail?.dir=/Airplanes&.dnm=37c2.jpg

Greg


Chief A.net college football stadium self-pic guru
6 replies: All unread, jump to last
 
User currently offlineEMBQA From United States of America, joined exactly 11 years ago today! , 9364 posts, RR: 11
Reply 1, posted (10 years 8 months 2 weeks 5 days 4 hours ago) and read 3393 times:

What large gash........??? The only thing I see aft of the service door is the APU Intake.


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineJcooke From United States of America, joined Aug 2003, 81 posts, RR: 2
Reply 2, posted (10 years 8 months 2 weeks 5 days 3 hours ago) and read 3379 times:

Doesn't look like a gash at all, rather some type of intake as I've seen this on a large amount of 737's.

APU intake would be a likely guess so I'd had to agree with EMBQA.

-JC


User currently offlineUSAFHummer From United States of America, joined May 2000, 10685 posts, RR: 52
Reply 3, posted (10 years 8 months 2 weeks 5 days 3 hours ago) and read 3368 times:

Looking at similiar photos I see that thing on every other 733 tail so it looks like you guys were right...Ive never seen that before and last night when I saw it looked like it had jagged edges and was not supposed to be there so I thought the aircraft had been damaged in some way...perhaps a ground collision or something like that...its good to know that everything is supposed to be like that...

Thanks for your help,
Greg



Chief A.net college football stadium self-pic guru
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 4, posted (10 years 8 months 2 weeks 5 days 3 hours ago) and read 3366 times:

Standard APU inlets and the little thing is a deflector, which as its name implies, deflects air into the opening while in-flight.


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User currently offlineAvioniker From United States of America, joined Dec 2001, 1109 posts, RR: 11
Reply 5, posted (10 years 8 months 2 weeks 1 day 1 hour ago) and read 3033 times:

Actually the deflector looking thing is called a Vortex Generator and is used to modify the airflow into the apu inlet and ensure it's laminar and not supersonic.

To the original question; any damage induced hole will ground the aircraft until it can be inspected to determine damage extent and temp repaired for ferry to a repair facility. Its revenue days would be over until it was repaired.

This isn't the Air Force where ABDR is considered acceptable.

That's not to say there haven't been holes in aircraft that went overlooked for a time (jetway bites are a most common cause).

[Edited 2004-02-13 22:39:51]


One may educate the ignorance from the unknowing but stupid is forever. Boswell; ca: 1533
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 6, posted (10 years 8 months 2 weeks 1 day ago) and read 3001 times:

>>>Actually the deflector looking thing is called a Vortex Generator and is used to modify the airflow into the apu inlet and ensure it's laminar and not supersonic.

FWIW, my CDL (49-15-1) shows it as the APU Inlet Flow Deflector. The vortex generators (see the China Southern photo) I believe are the ones at the top of the fuselage between the horz/vert stabs, 3 on each side... Aft body vortex generators, CDL 55-xx-xx (exact number escapes me.)



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