What was found
NR 5 FLAP DRIVE BALLSCREW, SCREW HAS GALLING AND PITTING IN GROOVES. NR 5 FLAP DRIVE BALL SCREW REPLACED ON R/C.
- Difficulty date
- May 22, 2016
- Submitted
- June 13, 2016
- Operation
- Air carrier
- Aircraft
- N552NW
- Make and model
- Boeing 757251
- Aircraft serial
- 26499
- Aircraft time
- 39,376 hours, 18,211 cycles
- System (JASC)
- 2750 · Trailing Edge Flap Control System
- Part
- Ball Screw
- Condition
- Galled
- Location
- Nr 5 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.