What was found
'AILERON LOCKOUT' EICAS ADVISORY MSG ILLUMINATED DURING DESCENT AT 10000FT. LT AILERON LOCKOUT ACTUATOR FAILED CMC GROUND TEST AFTER REPLACEMENT. OPS CHECKED FAILED. REPLACED ACTUATOR, OPS CHECKED GOOD.
- Difficulty date
- October 20, 2011
- Submitted
- October 27, 2011
- Operation
- Air carrier
- Aircraft
- N182UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25279
- Aircraft time
- 84,800 hours, 10,322 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2710 · Aileron Control System
- Part
- Actuator
- Part number
- 550030019
- Part serial
- 1633136
- Condition
- Failed
- Location
- Lt Aileron
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.