# SDR USAA920080309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2008
- Submitted: February 6, 2008
- Operation: Air carrier
- Aircraft: [N313AW](https://openairdocs.org/aircraft/N313AW), registered now
- Make and model: Boeing 737-3S3
- Registry model: [Boeing 737-3S3](https://openairdocs.org/model/boeing-737-3s3) (OpenAirDocs)
- Aircraft serial: 23712
- Aircraft time: 66,311 hours, 41,173 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 654657959
- Condition: Corroded
- Location: Bs 1120-1126
- 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/USAA920080309

## Discrepancy

MCN - MAJOR REPAIR - C20 CHECK - NR 6034177, CORROSION ON APU CUT OUT TORQUE BOX STRINGER, BS 1120 - BS 1126, S18R.  REPLACED APU CUT OUT TORQUE BOX STRINGER, BS 1120 - BS 1126, S18R IAW B737 SRM 51-40-02.

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