# SDR USAA051321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2005
- Submitted: November 2, 2005
- Operation: Air carrier
- Aircraft: N525AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23860
- Aircraft time: 51,400 hours, 51,400 cycles
- Engine: Ge CFM56*
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 1138
- 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/USAA051321

## Discrepancy

S-5AR B.S. 1138   ACTION: INTERIM REPAIR WAS PREVIOUSLY INSTALLED IAW EA 73450B  IAW EA 73450B.  LENGTH UNKNOWN.

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