# SDR USAA2011060800026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2011
- Submitted: June 9, 2011
- Operation: Air carrier
- Aircraft: N430US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24552
- Aircraft time: 57,415 hours, 38,122 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 654544555
- Condition: Cracked
- Location: Lt Wing
- 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/USAA2011060800026

## Discrepancy

CLT - Q4 - CRACK IN LEFT WING LOWER CHORD AT WS 135, S2.  REPAIRED LEFT WING LOWER CHORD AT WS 135, S2 IAW EA 102993, EA 102993 & TYPICAL REPAIR 737-5712-10-0304.

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