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Old 14th Nov 2018, 20:02
  #1217 (permalink)  
Concours77
 
Join Date: Nov 2016
Location: Lakeside
Posts: 428
Originally Posted by A Squared View Post
I don't know. I'm just saying that Boeing's words in the AD seems to indicate that moving the switches to "CUTOUT" is not a 100% guaranteed clean kill on stabilizer trimming. Why that is, or how it happens, I can only speculate. I have a hard time imagining designing a system that moves your flight control surfaces, and you can't turn off completely. Perhaps Boeing is alluding to the possibility that the contacts in a STAB TRIM switch become welded and don't open the circuit. I'm grasping at straws here.
Then it must be an informal, quasi optional Stall Recovery tool. Pilotís discretion. (I kid).

rgds.
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