# SDR USAA2011020990656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2011
- Submitted: February 17, 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): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Part number: 65323951
- 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/USAA2011020990656

## Discrepancy

CLT - MAJOR REPAIR - Q1 CHECK - LEVEL 2 EXFOLIATION CORROSION ON SHEAR TIE AT BS794.3, S27R.  REPLACED SHEAR TIE AT BS 794, S27R IAW B737 SRM 51-00-07, REPAIR 5.

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