What was found
INSPECTION TYPE:C, LT BS 340 WL 280-320 UPPER DECK FLOORBEAM ONE EA FASTENER HOLE CRACK REVEALED AT FLOORBEAM UPPER CHORD AND STRAP LAYER. FLOORBEAM REPAIRED AS PER SRM 53-10-07 FIG 23 PLUS SB 747-53A2459 REV 1 PART 3 MODIFICATION.
- Difficulty date
- October 28, 2004
- Submitted
- November 10, 2004
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 73,613 hours, 17,591 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Cracked
- Location
- Fuselage
- 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.