PPRuNe Forums - View Single Post - MAX’s Return Delayed by FAA Reevaluation of 737 Safety Procedures

31st Oct 2019, 18:06

#3647 (permalink)

Takwis

Join Date: Mar 2019

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MCAS is powered through autopilot trim. Some time ago, in a thread far away, someone posted a wiring diagram showing MCAS trim running through the STAB TRIM OVRD relay, thereby bypassing the control column cutout switches.