# SDR USAA2009081992179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2009
- Submitted: August 19, 2009
- Operation: Air carrier
- Aircraft: N157AW
- Make and model: Boeing 737-3G7
- Registry model: [Boeing 737-3G7](https://openairdocs.org/model/boeing-737-3g7) (OpenAirDocs)
- Aircraft serial: 23779
- Aircraft time: 67,517 hours, 46,545 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 6545776
- Condition: Corroded
- 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/USAA2009081992179

## Discrepancy

MCN - C22 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON STRINGER 26L AT BS 955.  REPAIRED STRINGER 26L AT BS 955 IAW B737 SRM 53-00-03-2R1.

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