What was found
AIRCRAFT HAS PITCH OSCILLATION WITH AUTOPILOT IN COMMAND. FOUND RT OUTBD ELEVATOR ACTUATOR LEAKING. REMOVED RT ELEVATOR PCP. ACCOMPLISHED MOUNTING AREA INSPECTION. NO DEFECTS NOTED. INSTALLED NEW ACTUATOR.
- Difficulty date
- February 4, 2013
- Submitted
- February 14, 2013
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 92,966 hours, 11,268 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2730 · Elevator Control System
- Part
- Actuator
- Condition
- Leaking
- Location
- Rt Elevator
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K, F
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.