What was found
AUTOTHROTTLES WILL NOT STAY ENGAGED. DISENGAGED DURING CLIMB AND CRUISE. ACFT GROUNDED. REPLACED NR 1 AUTOTHROTTLE SERVO MOTOR, OPS NORMAL IAW MM 22-31-91-400-801.
- Difficulty date
- December 6, 2013
- Submitted
- December 9, 2013
- Operation
- Air carrier
- Aircraft
- N596AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 21,384 hours, 6,666 cycles
- System (JASC)
- 2230 · Auto Throttle System
- Part
- Servo
- Part number
- 305RAA1
- Part serial
- AS05989
- Condition
- Failed
- Location
- Autothrottle
- Part time
- 13,587 hours, 4,582 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.