# SDR USAA050390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2005
- Submitted: April 13, 2005
- Operation: Air carrier
- Aircraft: N442US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24841
- Engine: Cfmint CFM563B2
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Fuselage
- Part time: 40,275 hours
- 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/USAA050390

## Discrepancy

CLT - Q6 - RIB, (1.5 AND .3750 INCH) CRACK; H WING, ROB AT WS 505 UPPER FLANGE RADIUS 20 INCH FROM L/E OF RIB.  INSTALLED REPAIR DOUBLER IAW EA.  (K)

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