# SDR USAA2013070500010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2013
- Submitted: July 5, 2013
- Operation: Air carrier
- Aircraft: [N163US](https://openairdocs.org/aircraft/N163US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1417
- Aircraft time: 42,157 hours, 15,540 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Windshield
- Part number: NP1653133
- Part serial: 274H9171
- Condition: Cracked
- Location: Cockpit
- Part time: 42,157 hours, 15,540 cycles
- 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/USAA2013070500010

## Discrepancy

FLIGHT DEPARTED, ENROUTE, ON A MX FERRY FLIGHT DUE TO A CRACKED CAPTAINS LT FIXED WINDOW.  AT FL230, CREW REPORTED A LOUD BANG AND WINDSHIELD STARTED TO CRACK AND THERE WAS A DIFFERENTIAL IN THE PRESSURIZATION.  CREW DETERMINED TO RETURN TO FIELD. A NORMAL LANDING WAS MADE AND ACFT WAS NOT OVERWEIGHT.  MX R & R CAPTAIN'S AFT FIXED WINDOW IAW AMM 56-11-12-400-002-A.

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