# SDR USAA991339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N528AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 24410
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Condition: Cracked
- Location: Horizontal Stab
- Part time: 36,425 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA991339

## Discrepancy

CLT - DURING AN OVERNIGHT CHECK VISUAL AND EDDY CURRENT, FOUND A 1.8 INCH CRACK RT HORIZONTAL STABILIZER LOWER SKIN AT REAR SPAR STA 125-126.8 SKIN.  INSTALLED REPAIR DOUBLER PER TR 55-10-07 REV A.  (X)

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