- Difficulty date
- July 1, 2002
- Submitted
- August 6, 2002
- Operation
- Air carrier
- Aircraft
- N677UP
- Make and model
- Boeing 747123F
- Aircraft serial
- 20391
- Aircraft time
- 88,072 hours, 22,099 cycles
- Part
- Longeron
- Condition
- Corroded
- Location
- Fuselage
- 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 BLG W/W - OVERWING LONGERON AT W/W CORRODED AT MULTI SPOTS FROM FS 1360 - 1470 LBL 123 - 109. CORROSION BLEND OUT DEPTH THROUGH THICK, WIDTH .25 INCH, LENGTH 3.625 INCH EXCEED SRM LIMIT. BS 1350 - 1480 RT OVERWING LONGERON REPAIRED IAW RS R-53-43-34843 (UPS EO B747-5310-17206-A).