# SDR AALA2019110769010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2019
- Submitted: November 7, 2019
- Operation: Air carrier
- Aircraft: [N991AU](https://openairdocs.org/aircraft/N991AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7131
- Aircraft time: 10,286 hours, 3,922 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Diaphragm
- Condition: Broken
- Location: L2 Door Actuator
- 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/AALA2019110769010

## Discrepancy

AIRCRAFT WAS GROUNDED: L2 DOOR EMERGENCY OPENING ACTUATOR FOUND IN RED BAND. FOUND DIAPHRAGM BROKEN. MAINTENANCE REPLACED DIAPHRAGM PER AMM 52-22-14-400-001A AND SERVICED CYLINDER TO PROPER PRESSURE PER AMM 55-22-00-860-003A.

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