# SDR USAA2012073000023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2012
- Submitted: July 30, 2012
- Operation: Air carrier
- Aircraft: [N404US](https://openairdocs.org/aircraft/N404US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23886
- Aircraft time: 63,361 hours, 42,808 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Part number: 6546555
- Condition: Cracked
- 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/USAA2012073000023

## Discrepancy

C3 CHECK - CRACK & LEVEL 2 EXFOLIATION CORROSION ON SHEAR ANGLE/CLIP AT BS 867 BETWEEN S28R TO S28L.  REPAIRED SHEAR ANGLE/CLIP AT BS 867 BETWEEN S28R TO S28L IAW B737-400 SRM 53-00-07-2R-3 FIG 201.

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