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737 Ground Power Question  
User currently offlineSXDFC From United States of America, joined Dec 2007, 2351 posts, RR: 21
Posted (2 years 1 month 2 weeks 1 day 9 hours ago) and read 3831 times:

Hello All:

For quite some time at work I've noticed many of our newer 737s (circa 2010+), have the ground power port in a vertical position vs the older model 737s.. Can anyone explain why this is the case?


N949WN, 2010 model 737-7H4

http://i1208.photobucket.com/albums/cc368/737-8H4/9416e139.jpg

N927WN, 2008 model 737-7H4

http://i1208.photobucket.com/albums/cc368/737-8H4/c427f8a3.jpg


ALL views, opinions expressed are mine ONLY and are NOT representative of those shared by Southwest Airlines Co.
3 replies: All unread, jump to last
 
User currently offlineyeelep From United States of America, joined Apr 2011, 659 posts, RR: 0
Reply 1, posted (2 years 1 month 2 weeks 1 day 4 hours ago) and read 3744 times:

In Boeing speak, it was done to improve "External Power Receptacle Retention and Connectivity". There have been problems with the pins breaking on the new vertical connector, so from line #3852 they went back to the previous horizontal one until changes can be made. Eventually the new vertical connector will be offerred as a retrofit for all NG's.

User currently offlineYukon880 From United States of America, joined Sep 2011, 137 posts, RR: 2
Reply 2, posted (2 years 1 month 2 weeks 5 hours ago) and read 3482 times:
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And for any of those that have ever "plugged-in" in such a fashion, the reasoning behind the change is crystal.


Pratt & Whitney, In thrust we trust!
User currently offlineHAWK21M From India, joined Jan 2001, 31684 posts, RR: 56
Reply 3, posted (2 years 1 month 2 weeks 4 hours ago) and read 3466 times:

To avoid the Cable + connector load bearing excessively on the plug point....A chain/cable to the lower end of the plug was used ending in a hook that used to hold the inner wall of the panel,This used to relieve the excess load.


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