Old 27th Dec 2018, 15:54
  #25 (permalink)  
BAengineer
 
Join Date: May 2018
Location: London/Fort Worth
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Originally Posted by Capt Quentin McHale View Post

There is a ground test function on the SMYD's for AoA sensor test/chk, but as you mentioned NOT mandatory upon installation which I find rather odd. This info pertains to the B738 and I would assume (very dangerous in aviation) that the MAX would be similar if not the same.
I assume that the reason of the check not being mandatory is that there is no calibration adjustment possible on the aircraft - it either passes or it doesn't. If it doesn't then you replace the sensor again. So if you have confidence that the sensor is correctly calibrated from the shop then I can see why checking it again would not be mandatory.
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