- Difficulty date
- November 3, 2001
- Submitted
- November 19, 2001
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 66,302 hours, 16,182 cycles
- Part
- Fitting
- Condition
- Cracked
- Location
- Lh Bs 1480
- Stage of operation
- IN
- 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 AFT CARGO COMPT - LH BS 1480 B/H NO.9 HOLE FOUND CRACK AT EXTENSION FITTING AND OUTER CHORD SPLICE FITTING ( REFER ATT SKETCHES FOR DETAILS ). LH BS 1480 B/H EXTENSION FTG AND OUTER CHORD SPLICE FTG HOLE NO.9 CRACKS REMOVED AND BUSHINGS INSTALLED IN LONGERON EXTENSION FTG & OUTER CHORD SPLICE FTG AS PER SB 747-53A2390 PLAN A BUSHING REPAIR CWPC CONTROL SEQUENCE NO. RCBR017 049 ATTAHCED.