# SDR USAA990618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N427US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24549
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Condition: Cracked
- Location: Horiz Stab
- Part time: 26,772 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/USAA990618

## Discrepancy

CLT - DURING RON VISIT, FOUND 3 INCH CRACK AT HORIZONTAL STAB MAIN BOX SKIN.  LOCATION IS LOWER SURFACE OF RIGHT HORIZ STAB, JUST FORWARD OF THE AFT SPAR ABOUT 5 FEET FROM FROM FUSELAGE.  INSTALLED REPAIR DOUBLER PER SRM 55-10-07 REV A.  (M)

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