Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
February 2, 2013
Submitted
February 6, 2013
Operation
Air carrier
Aircraft
N518AS
Make and model
Boeing 737890
Aircraft serial
35693
Aircraft time
15,346 hours, 4,651 cycles
Part
Autothrottle Sys
Condition
Inoperative
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

DURING T/O AUTOTHROTTLES DISENGAGED AND WOULD NOT STAY ENGAGED FOR MORE THAN 5 SEC QRH RUN. INFLIGHT FAULTS LOGGED ASM1 LEG 9, ACCOMPLISHED CURRENT STATUS TEST REF MM 22-31-00, TEST PASSED. SERVO MOTOR TEST PASSED REF SAME. NO HISTORY PAST 30 DAYS.