# SDR USAA920070889

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2007
- Submitted: October 4, 2007
- Operation: Air carrier
- Aircraft: N456UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25020
- Aircraft time: 45,587 hours, 30,572 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Hinge Pin
- Part number: 69730953
- Condition: Corroded
- Location: Horizontal 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/USAA920070889

## Discrepancy

CLT - MAJOR REPAIR - C-5 CHECK, CORROSION ON THE RIGHT HORIZONTAL STABILIZER CENTER SECTION TO BODY OUTER HINGE PIN.  REPLACED RIGHT HORIZONTAL STABILIZER CENTER SECTION TO BODY OUTER HINGE PIN IAW B737-400 AMM 27-41-31.

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