Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
August 20, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
52,680 hours, 15,875 cycles
Part
Autothrottle Sys
Condition
Faulted
Stage of operation
CL
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

AUTOTHROTTLE DISSENGAGED ON TAKEOFF, TRIED TO RE-ENGAGE ON CLIMB AND DISENGAGED AGAIN. GROUNDED - YES. ACCOMP A/T SYS- OPO TEST REF MM 22-31-00-710-801. OPS CK GOOD WITH NO FAULTS. FAULT HISTORY SHOWS CHAN A THR HOLD T/O SET LOW, MSG22-31676. ACCOMP B737-800 FIM 22-32 TASK 819. OPS CK GOOD WITH NO FAULTS. ACCOMP A/T SYS- SYS TEST REF MM 22-31-00-710-802. OPS CK GOOD WITH NO FAULTS. GROUND VERIFICATION SUCCESSFUL. SEAMC JARED NOTIFIED.