- Difficulty date
- August 16, 2002
- Submitted
- August 28, 2002
- Operation
- Air carrier
- Aircraft
- N672UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20324
- Aircraft time
- 68,213 hours, 20,211 cycles
- 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.
What was found
INSPECTION TYPE:C BS 340 UPPER DECK FLOORBEAM UPPER CHORD, THREE FASTENER HOLES CRACKED, REVEALED AT LBL 18, RBL 15 & RBL 46 RESPECTIVELY. UPPER DECK BS 300 FLOORBEAM LBL 18 & RBL 15 CRACKED HOLE REF NRC 7305 SECTIONAL REPLACED FROM RBL 20 TO LBL 40 AS PER SRM 53-10-07 FIG 23, RBL 46 CRACKED FASTENER HOLE REPAIRED AS PER EO B747-5320-12407-C APPENDIX D, PLAN C.