# SDR USAA2010010790045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2010
- Submitted: January 7, 2010
- Operation: Air carrier
- Aircraft: [N422US](https://openairdocs.org/aircraft/N422US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23989
- Aircraft time: 57,131 hours, 38,297 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- 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/USAA2010010790045

## Discrepancy

CLT - C4 - MAJOR REPAIR - CORROSION ON SHEAR TIE AT BS 867 BETWEEN S26L TO S26R.  REPLACED SHEAR TIE AT BS 867 BETWEEN S26L TO S26R IAW B737 SRM 53-00-01, 53-00-07 REPAIR 4 & 53-60-07.

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