# SDR USAA070223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2007
- Submitted: March 20, 2007
- Operation: Air carrier
- Aircraft: [N423US](https://openairdocs.org/aircraft/N423US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23990
- Aircraft time: 49,240 hours, 49,240 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA070223

## Discrepancy

LEFT WING IN WBL 135.5 RIB UPPER CHORD ABOUT 6 INCHES FWD OF REAR SPAR.  SPLICED IN REPAIR ANGLE & DOUBLERS PER EA 98495, DEFECT SIZE: 0.5 INCH.

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