What was found
INSPECTION TYPE: C3 UPPER DECK FLOORBEAM UPPER CHORD AT BS 340 RBL 44-55 FOUND THREE EACH FLOOR PANEL ATTACHMENT HOLES CRACKED AS MARKED. REPAIRED FLOORBEAM UPPER HCORD (AFT SIDE) CRACKED HOLES AS PER SB 747-53A2431 FIG.9.
- Difficulty date
- April 8, 2001
- Submitted
- April 27, 2001
- Operation
- Air carrier
- Aircraft
- N680UP
- Make and model
- Boeing 747SR46
- Aircraft serial
- 20923
- Aircraft time
- 60,103 hours, 32,223 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Cracked
- 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.