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Liberty XL Service Bulletin for Canopy Shoot Bolts

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rampil

Joined: 04 May 2007
Posts: 870

Posted: Sun Feb 21, 2010 12:16 pm Post subject: Liberty XL Service Bulletin for Canopy Shoot Bolts

Hi All,



I found this recent document on the US NTSB website.



It seems Liberty has had a few (6) A/C lose doors in flight, just like

the early Europas (at least I have not heard of a door flying off

in flight in several years).



These episodes,the NTSB says were all apparently due to improper

shoot bolt deployment into the rear socket and failure to check

by crew.



Since the Europa latch system is quite similar, we may have a lesson

to learn here at someone else's expense!



Does anyone have any comment?

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LibertySBonRearDoorLatchPin.pdf

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Liberty SB published on NTSB.gov

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_________________
Ira N224XS

n914va(at)bvunet.net
Guest

Posted: Sun Feb 21, 2010 12:52 pm Post subject: Liberty XL Service Bulletin for Canopy Shoot Bolts

I learned to fly in a Piper Tomahawk which used a similar system to secure 

the doors. It was pounded into my head to check both doors very carefully 

before taking of. On my long solo cross country I left Harrisburg 

International and as I turned to leave the pattern, I noticed more noise 

than usual. Sure enough the rear shoot bolt on my side was not engaged. I 

slowed to 10 knots above stall and trimed for level flight as instructed and 

was able to correctly shut the door. I was prepared to request permission 

and land back at Harrisburg had I not been successful because of the dire 

warnings from my instructor about not bringing the complete airplane home.



Learning a lesson without dire consequences is most preferable. Learning 

from others mistakes is even better for you.



Vaughn Teegarden

A191 back in the building stage

---

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air.guerner(at)orange.fr
Guest

Posted: Mon Feb 22, 2010 5:00 am Post subject: Liberty XL Service Bulletin for Canopy Shoot Bolts

Hi Ira,

  

 The problem often comes from the pilot opening the door  to cool the cockpit or demist the windscreen at the last minute  (possibly after having performed the pre-takeoff check)  

and failing to  re-lock it properly. 

 My suggestion:

 1.  Check doors locked (both pins engaged)  during your pre-takeoff check (I assume everybody does this!)

 2; Never open a door after having  performed  your pre-takeoff check,  unless absolutely necessary (in that case double check door properly  locked)

  

 A few decades ago I experienced a side window  popping open during takeoff in a Cessna 150. The noise and the wind  were frightening! The key here is to fly the airplane first and deal with  the door or window second.  

  

 Best regards

  

 Remi Guerner

 F-PGKL

  

 <<<<These episodes,the NTSB says were all apparently due to  improper

shoot bolt deployment into the rear socket and failure to  check

by crew.>>>>>>>

     [quote][b]

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