# SDR AALA201907029012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2019
- Submitted: July 5, 2019
- Operation: Air carrier
- Aircraft: [N523UW](https://openairdocs.org/aircraft/N523UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3960
- Aircraft time: 36,597 hours, 13,050 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Windshield
- Part number: STA320171
- Part serial: 59523
- Condition: Leaking
- Location: Cockpit
- Part time: 36,597 hours, 13,050 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201907029012

## Discrepancy

AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS CAPT SLIDING WINDOW HAS A VERY LOUD AIR LEAK . EXTREMELY LOUD ON T/O, INITIAL CLIMB. LESSENED AS DELTA P INCREASED. MAINTENANCE ACCOMPLISHED COCKPIT LEAK CHECK, FOUND LEFT WINDSHIELD TO BE LEAKING RATHER THAN SIDE WINDOW. REMOVED & REPLACED LEFT WINDSHIELD IAW CARD 26L21056001.

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