# SDR USAA011242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2001
- Submitted: October 12, 2001
- Operation: Air carrier
- Aircraft: N531AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 24478
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Skin
- Location: Bs 727d
- 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/USAA011242

## Discrepancy

CLT - FOUND SKIN CRACKED 1.25 INCH, BS 727D STRINGER 23L.  INSTALLED DOUBLER PER TR NR 53-60-03.  (M)

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