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Old 14th Nov 2018, 20:02
  #1217 (permalink)  
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).

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