# SDR USAA2011021490726

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2011
- Submitted: February 15, 2011
- Operation: Air carrier
- Aircraft: [N423US](https://openairdocs.org/aircraft/N423US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23990
- Aircraft time: 59,025 hours, 29,930 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/USAA2011021490726

## Discrepancy

CLT - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON SHEAR TIE WEB AT BS 787, RBL 8 - RBL 11.  REPAIRED SHEAR TIE WEB AT BS 787, RBL 8 - RBL 11 IAW EA 102656.

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