What was found
INSPECTION TYPE:C, NR 1, 5, & 8 FLAP BALLSCREWS CORRODED AND NR 7 HAS WORN BOLT HOLE. BALLSCREWS 1, 5, 7 & 8 REPLACED IAW MM.
- Difficulty date
- January 10, 2001
- Submitted
- February 15, 2001
- Operation
- Air carrier
- Aircraft
- N677UP
- Make and model
- Boeing 747123F
- Aircraft serial
- 20391
- Aircraft time
- 84,872 hours, 21,406 cycles
- System (JASC)
- 2750 · Trailing Edge Flap Control System
- Part
- Ballscrew
- Part number
- 554265
- Condition
- Corroded
- Location
- Te Flap
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.