Service difficulty report · Servo · Boeing 737890

Difficulty date
July 31, 2010
Submitted
August 5, 2010
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
11,035 hours, 3,351 cycles
Part
Servo
Part number
305RAA1
Part serial
AS06267
Condition
Malfunctioned
Location
Autothrottle
Part time
576 hours, 179 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

AUTOTHROTTLE INOP. COULD NOT DUPLICATE. PERFORMED A/T BIT PROCEDURE REF FIM:22 31/801 CURRENT STATUS CHECK & SERVO MOTOR CHECK ALL, CHECK NORMAL. BUT INFLIGHT FAULT REVIEW SHOWS ON RELATED FLT LEG FAULT NR 22 31502 NO ASM DATA NR 2 48 TIMES. ACCOMP WIRING CHECK OF NR 2 ASM REF FIM:22 31/805 CHECK NORMAL. REPLACED NR 2 ASM REF MM:22 31 91, OPS CHECK NORMAL.