Service difficulty report · Autothrottle Sys · Boeing 737990ER

Difficulty date
January 25, 2020
Submitted
January 28, 2020
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
27,214 hours, 8,782 cycles
Part
Autothrottle Sys
Condition
Faulted
Stage of operation
TX
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 NOT ARMING FOR TAKEOFF. GROUNDED - YES. ACCOMPLISHED A/T BITE IAW FIM 22-31, TASK 801, LEG 3, HAD FAULT MESSAGE ASM 1 INTERNAL FAULT 22-31582 IN FAULT HISTORY, NO FAULTS IN CURRENT STATUS. PERFORMED FIM 22-31 TASK 822 INITIAL EVALUATION NO FAULTS NOTED.