# SDR USAA040745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2004
- Submitted: November 24, 2004
- Operation: Air carrier
- Aircraft: N521AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23856
- Engine: Cfmint CFM563B2
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Panel
- Condition: Cracked
- Location: Fuselage
- Part time: 52,509 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA040745

## Discrepancy

PIT, C5; PRESSURE PANEL, 2 INCH CRACK.  LT WHEEL WELL UPPER DECK, 30 INCH LT OF BL0.  INSTALLED DOUBLER AND SHIMS IAW TYP REP 53-60-04A AND EA 79277.

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