# SDR USAA2009022790459

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2009
- Submitted: February 27, 2009
- Operation: Air carrier
- Aircraft: N439US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24781
- Aircraft time: 49,540 hours, 34,718 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: U
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009022790459

## Discrepancy

CLT - Q4 - MAJOR REPAIR - TWO EACH CRACKS ON BULKHEAD SKIN AT BS 178, LBL 5, WL 201, & WL 198.  REPAIRED BULKHEAD SKIN AT BS 178, LBL 5, WL 201, & WL 198 IAW B737 SRM 53-10-08.

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