What was found
DURING PRIMARY ELECTRIC MODE CHECK OUTBOARD TRAILING EDGES FAILED TO DRIVE TO 5 UNITS. CORRELATED MAINTENANCE MESSAGE 27773. REPLACED OUTBOARD FLAP ALTER DRIVE MOTOR PER MM, CHECKED GOOD.
- Difficulty date
- November 10, 2012
- Submitted
- November 15, 2012
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 91,958 hours, 11,163 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2752 · Trailing Edge Flap Actuator
- Part
- Motor
- Part number
- 4137T1001
- Part serial
- 20
- Condition
- Failed
- Location
- Te Flap
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- F, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.