- Difficulty date
- August 16, 2002
- Submitted
- September 9, 2002
- Operation
- Air carrier
- Aircraft
- N672UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20324
- Aircraft time
- 68,213 hours, 20,211 cycles
- Part
- Rib
- Condition
- Corroded
- Location
- Lt Wing
- 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 LT WING L/E RIB AT L/E SLAT 1309.15 ROTARY ACTUATOR MOUNTING HOLES NR 1, 7 BORE CORROSION FOUND. RIB FOUND CORRODED AT LOCATION L/E SLAT 1309.15 TO 1309.15. CORROSION BLEND OUT EXCEEDED SRM LIMIT RIB REPLACED PER SRM 51-10-01, 57-41-34886, UPS EO NR 747-5740-17509.