# SDR USAA2011061300013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2011
- Submitted: June 13, 2011
- Operation: Air carrier
- Aircraft: [N303AW](https://openairdocs.org/aircraft/N303AW), registered now
- Make and model: Boeing 737-3G7
- Registry model: [Boeing 737-3G7](https://openairdocs.org/model/boeing-737-3g7) (OpenAirDocs)
- Aircraft serial: 24010
- Aircraft time: 69,470 hours, 46,497 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: 6554862Y22
- Condition: Damaged
- 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/USAA2011061300013

## Discrepancy

MCN - C21 - AFT PRESSURE BULKHEAD HAS ENLARGED FASTENER HOLES AT EXPANSION SEAL INTERCOSTAL AT BS 1016, WL 208 BETWEEN RBL 17 TO RBL 26.  REPLACED AFT PRESSURE BULKHEAD EXPANSION SEAL INTERCOSTAL IAW B737-300 SRM 51-40-02.

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