# SDR USAA2011021890794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2011
- Submitted: February 18, 2011
- Operation: Air carrier
- Aircraft: [N422US](https://openairdocs.org/aircraft/N422US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23989
- Aircraft time: 59,748 hours, 39,898 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- 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/USAA2011021890794

## Discrepancy

CLT - MAJOR REPAIR - Q1 CHECK - CORROSION ON STRINGER AT BS 907, S22L.  REPAIRED STRINGER AT BS 907, S22L IAW EA 102661.

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