# SDR UIEA200600095

- 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): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Bs 1000
- 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/UIEA200600095

## Discrepancy

LT SIDE BS 1000, BULKHEAD CHORD AREA, CRACK REVEALED AT BULKHEAD CHORD HEEL AREA APPROX, 1-1/4" IN LENGTH, JUST BELOW STR 38L.  BS 1000 BULKHEAD CHORD BETWEEN STR 36/37L TO STR 40/41L CHORD SEGMENT REPAIRED AS PER SB 747-53A2474 R1.  REPEAT INSPECTION IS REQUIRED AS PER SB 747-53A2471 R1 FIG-1.

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