# SDR USAA2012021600005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2012
- Submitted: February 16, 2012
- Operation: Air carrier
- Aircraft: N443US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24842
- Aircraft time: 56,528 hours, 38,810 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012021600005

## Discrepancy

FPBH VISIT - 5 CRACKS IN LEFT VERTICAL WEB AT BS 178, WL 234, LBL 17 & 1 CRACK ON AFT EDGE OF WEB AT BS 184, WL 234.  REPLACED WEB IAW B737 SRM 53-10-08-2R-12.

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