Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
December 14, 2019
Submitted
December 17, 2019
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
46,578 hours, 13,956 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

A/T DISENGAGED ON TAKEOFF. GROUNDED - YES. AUTOTHROTTLE INFLIGHT FAULTS LOGGED ONE RATE MONITOR FAULT (ASM-1) ON LEG 5. PERFORMED A/T SYSTEM OPERATIONAL TEST REF B737-800 AMM 22-31-00 AND A/T SERVO MOTOR TEST REF SAME - OPS NORMAL. NO FAULTS NOTED.