# SDR USAA060126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2006
- Submitted: January 24, 2006
- Operation: Air carrier
- Aircraft: N775AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24933
- Aircraft time: 41,837 hours, 41,837 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing 135.5
- 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/USAA060126

## Discrepancy

LT WING 135.5 RIB LOWER CHORD ANGLE CRACK BETWEEN S2 AND S3.  FABRICATED REPAIR PARTS AS PER GIVEN EA TRIMMED TEE REPAIR FAB FILLERS IAW EA 97288, DEFECT SIZE: 2.5 INCH.

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