- Difficulty date
- September 6, 2003
- Submitted
- October 3, 2003
- Operation
- Air carrier
- Aircraft
- N682UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20349
- Aircraft time
- 98,649 hours, 25,117 cycles
- Part
- Rib
- Condition
- Corroded
- Location
- Nr 4 V/C 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.
What was found
INSPECTION TYPE: C, LT WING NR 4 V/C FLAP OB LINKAGE IB RIB NR 1 TO NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION. LT WING - NR 4 VC FLAP OB LINKAGE IB RIB ASSY REPLACED IAW SRM 51-10-01 P8 DUE ACTUATOR MOUNTING HOLES CORROSION REMOVAL EXCEED SRM 57-20-03 FIG 6 LIMIT.