What was found
INSPECTION TYPE:SP CENTER WING BOX UPPER SKIN HAS EXFOLIATION CORROSION APPROX 4 INCHES IN DIAMETER STA 1110, RBL 104. REPAIRED AREA IAW ENGINEERING FILE 747-57-20016.
- Difficulty date
- January 16, 2002
- Submitted
- January 16, 2002
- Operation
- Air carrier
- Aircraft
- N671UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20323
- Aircraft time
- 73,888 hours, 20,926 cycles
- System (JASC)
- 5714 · Wing, Center Box
- Part
- Structure
- Condition
- Corroded
- Location
- Wing Box
- 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.