# SDR USAA010424

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2001
- Submitted: June 13, 2001
- Operation: Air carrier
- Aircraft: N437US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24559
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fuselage
- Part time: 3,220 hours
- 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/USAA010424

## Discrepancy

CLT - FOUND STRINGER CRACKED 1 INCH, BS 1140 ABOVE STAB HINGE CUTOUT, S5L.  INSTALLED REPAIR ANGLES, SRM 53-00-01, FIG 221.  (M)

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