# SDR USAA2009071791870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2009
- Submitted: July 17, 2009
- Operation: Air carrier
- Aircraft: N444US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24862
- Aircraft time: 50,649 hours, 35,163 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 654532421
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009071791870

## Discrepancy

SAL - Q3 - MAJOR REPAIR - CRACK ON LEFT WING REAR SPAR UPPER CHORD AT RSS224.14, WBL 157.  REPAIRED LEFT WING REAR SPAR UPPER CHORD AT RSS224.14, WBL 157 IAW US AIRWAY EA 132503.

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