# SDR USAA20090422SB065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2009
- Submitted: April 22, 2009
- Operation: Air carrier
- Aircraft: N456UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25020
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: 57176251
- Part serial: 1149
- Condition: Cracked
- Location: Cockpit
- Part time: 4,074 hours
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA20090422SB065

## Discrepancy

ON CLIMBOUT FROM CLT, EN ROUTE TO FLL, CREW REPORTED THE CAPTAIN'S NR 2 SLIDING WINDOW OUTER PANE CRACKED.  FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REMOVED AND REPLACED THE CAPTAIN'S NR 2 SLIDING WINDOW PER MM 56-12-11.  OPERATIONAL CHECK GOOD.

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