Service difficulty report · Servo · Boeing 737890

Difficulty date
July 13, 2013
Submitted
July 16, 2013
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
6,020 hours, 1,736 cycles
Part
Servo
Part number
305RAA1
Part serial
AS05021
Condition
Inoperative
Location
Throttle
Part time
20,413 hours, 6,449 cycles
Stage of operation
CL
How discovered
O
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

AUTOTHORTTLES DISENGAGED ON CLIMBOUT AND WILL NOT ENGAGE. ACFT GROUNDED. A/T FLT FAULT SHOWS ASM-1 RATE MONITOR FAULT. R & R ASM-1, REF 22-31-91. A/T CURRENT STATUS AND SERVO MOTOR BITE CHECKED GOOD.