What was found
INSPECTION TYPE: C, LT WING MLGWW BS 1241 LBL 'O' PRESSURE BULKHEAD REAR SPAR ATT T-CHORD FOUND SURFACE CORROSION. T-CHORD REPLACED AS PER SRM 51-10-01 PG 8. (DEPTH 0.060 INCH, WIDTH 1 INCH, LENGTH 1 INCH).
- Difficulty date
- March 6, 2003
- Submitted
- March 26, 2003
- Operation
- Air carrier
- Aircraft
- N520UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21943
- Aircraft time
- 73,562 hours, 16,470 cycles
- System (JASC)
- 5711 · Wing Spar
- Part
- Spar
- Condition
- Corroded
- Location
- Lt Wing Mlg Ww
- 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.