# SDR UPS02439181

- Type: Service difficulty report (as reported; unverified)
- 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
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02439181

## Discrepancy

INSPECTION TYPE:C BS 360 UPPER DECK FLOORBEAM UPPER CHORD, 2 FASTENER HOLES CRACK REVEALED AT RBL 28 & RBL 43 RESPECTIVELY.  UPPER DECK BS 360 RBL 28 CRACKED HOLE CRACK REMOVED AS PER EO B747-5320-12407-C APPENDIX D.  NO NECESSARY REPAIR.  RBL 43 CRACKED FASTENER HOLE REPAIRED AS PER EO B747-5320-12407-C APPENDIX D PLAN C.

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