# SDR AALA202104189006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2021
- Submitted: April 19, 2021
- Operation: Air carrier
- Aircraft: [N930AU](https://openairdocs.org/aircraft/N930AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7539
- Aircraft time: 12,535 hours, 4,758 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Condition: Delaminated
- Location: Lt Cockpit
- 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/AALA202104189006

## Discrepancy

AIRCRAFT WAS GROUNDED: WHILE TROUBLESHOOTING, LEFT FIXED WINDOW HEAT ISSUE. FOUND LEFT FIXED WINDOW DELAMINATED MEASURING 3.5 INCH AT WIDEST AND 13 INCH LONG. OUT OF LIMITS FOR ACRYLIC WINDOWS PER AARD 56-11-00. REMOVED AND REPLACED LEFT COCKPIT FIXED WINDOW IAW AMM 56-11-12.

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