# SDR UIEA200600101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2006
- Submitted: May 25, 2006
- Operation: Air carrier
- Aircraft: [N522MC](https://openairdocs.org/aircraft/N522MC), registered now
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21783
- Aircraft time: 94,219 hours, 18,764 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- Location: Bs 380
- 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/UIEA200600101

## Discrepancy

BS 380 FLOORBEAM UPPER CHORD FWD FLANGE 1 HOLE AT RBL 66 FOUND CRACK RUNNING FWD AND AFT.  U/DECK BS 380 FLOORBEAM UPPER CHORD FWD FLANGE AT RBL 66" AREA REPAIRED AS PER SB 53A2431 FIG 9.  CONTINUE INSPECTION IS REQUIRED AS PER SB 53A2431 PART 3.

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