- Difficulty date
- March 29, 2004
- Submitted
- April 21, 2004
- Operation
- Air carrier
- Aircraft
- N683UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20353
- Aircraft time
- 84,505 hours, 20,783 cycles
- Part
- Rib
- Part number
- 65B078761
- Condition
- Corroded
- Location
- Nr 8 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.
What was found
INSPECTION TYPE:C LEFT WING - NR 8 VC FLAP O/B ARM I/B RIB ROTARY ACTUATOR NR 2 MOUNTING BOLT HOLE CORRODED (LOOKS O/B, COUNTS CLOCKWISE FROM TOP). LEFT WING NR 8 VC FLAP HOLES 928 O/B ARM I/B RIB ROTARY ACTUATOR NR 2 MOUNTING BOLT HOLE OVERSIZED TO 0.388 INCH, BUSHINGS FABRICATED & INSTALLED.