# SDR USAA2009091492521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2009
- Submitted: September 15, 2009
- Operation: Air carrier
- Aircraft: N454UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24996
- Aircraft time: 50,749 hours, 33,523 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Hinge Pin
- Part number: 69730963
- Condition: Corroded
- Location: Horiz Stab
- 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/USAA2009091492521

## Discrepancy

SAL - Q6 - MAJOR REPAIR - CORROSION ON OUTER PIN OF LEFT HORIZONTAL STABILIZER HINGE PIN.  REPLACED OUTER PIN OF LEFT HORIZONTAL STABILIZER HINGE IAW B737 AMM 27-41-31.

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