# SDR USAA2012061400023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2012
- Submitted: June 14, 2012
- Operation: Air carrier
- Aircraft: N449US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24893
- Aircraft time: 58,266 hours, 38,666 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Hinge Pin
- Part number: 69731201
- 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/USAA2012061400023

## Discrepancy

C6 CHECK - CORROSION ON INNER AND OUTER HORIZONTAL STABILIZER HINGE PIN.  REPLACED INNER AND OUTER HORIZONTAL STABILIZER HINGE PIN IAW B737-400 AMM 27-41-31.

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