What was found
DURING TROUBLESHOOTING OF AUTOPILOT TRIM DURING NORMAL OPS STAB TRIM ROLLS BACK ON ITS OWN. REPLACED STAB TRIM ACTUATOR IAW B737 400 AMM 27 41 71. OPS NORMAL.
- Difficulty date
- June 29, 2011
- Submitted
- July 1, 2011
- Operation
- Air carrier
- Aircraft
- N791AS
- Make and model
- Boeing 737490
- Aircraft serial
- 28886
- Aircraft time
- 45,563 hours, 25,355 cycles
- System (JASC)
- 2742 · Stabilizer Actuator
- Part
- Actuator
- Part number
- AR7077
- Part serial
- W0609
- Condition
- Malfunctioned
- Location
- Stabilizer
- Part time
- 7,805 hours, 4,596 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.