- Difficulty date
- October 10, 2001
- Submitted
- October 26, 2001
- Operation
- Air carrier
- Aircraft
- N681UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19661
- Aircraft time
- 97,510 hours, 25,124 cycles
- Part
- Sill
- 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 LEFT BS 1350 UPPER FWD SHEAR BATHTUB ATTACH FITTING SILL UPPER MATING SURFACE FOUND CORROSION AFTER FITTINGS REMOVAL. LEFT BS 1350 UPPER FWD SHEAR BATHTUB ATTACH FITTING SILL UPPER MATING CORROSION CLEANED UP AND REPAIRED AS PER HX RS R53-43-34687 ITEM C3.