What was found
RUST EMANATING FROM THE NR 4 FLAP JACKSCREW UPPER BALLNUT GIMBAL. REPLACEED THE JACK SCREW IAW AMM 27-51-11.
- Difficulty date
- September 2, 2017
- Submitted
- September 6, 2017
- Operation
- Air carrier
- Aircraft
- N556NW
- Make and model
- Boeing 757251
- Aircraft serial
- 33392
- Aircraft time
- 42,184 hours, 18,738 cycles
- System (JASC)
- 2750 · Trailing Edge Flap Control System
- Part
- Jackscrew
- Condition
- Corroded
- Location
- Nr 4 Te Flap
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.