# SDR USAA920080370

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2008
- Submitted: February 7, 2008
- Operation: Air carrier
- Aircraft: N426US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24548
- Aircraft time: 50,169 hours, 34,179 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 65C34815
- Condition: Cracked
- Location: Zone 500
- 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/USAA920080370

## Discrepancy

CLT - MAJOR REPAIR - Q3 CHECK - NR 03-0529-8-0083/1,  LEFT WING FUEL TANK RIB CRACKED, WBL 135.50.  REPAIRED LEFT WING FUEL TANK RIB, WBL 135.50 IAW BOEING DRAWING 65C34815.

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