Service difficulty report · Autopilot Sys · Boeing 737890

Difficulty date
June 23, 2021
Submitted
June 26, 2021
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
45,618 hours, 13,457 cycles
Part
Autopilot Sys
Condition
Faulted
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

BOTH A/P'S WOULD NOT ENGAGE. GROUNDED - YES. DIVERSION TIME 27 MINUTES - ADVISED FLIGHT CREW STAB TRIM SWITCH IN CUT-OFF POSITION. ACCOMPLISHED REQUIRED TESTS REF B737-800 AMM 22-11-00 OPS CHECK GOOD CAT IIIA AUTOLAND & HGS QUALIFIED.