# SDR USAA060557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2006
- Submitted: April 4, 2006
- Operation: Air carrier
- Aircraft: [N777AU](https://openairdocs.org/aircraft/N777AU), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24979
- Aircraft time: 42,138 hours, 42,138 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Hinge
- Condition: Damaged
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA060557

## Discrepancy

STAB FASTENER HOLE AT NR 6 BEARING HINGE ELONGATED.  OVERSIZED HOLES AND TREATED AREA IAW TR 55-50-01A, DEFECT SIZE: .031 INCH.

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