# SDR AALA201809109022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2018
- Submitted: September 11, 2018
- Operation: Air carrier
- Aircraft: [N989AU](https://openairdocs.org/aircraft/N989AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7307
- Aircraft time: 6,659 hours, 2,587 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Cylinder
- Condition: Low Pressure
- Location: R4 Door
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201809109022

## Discrepancy

R4 DOOR DAMPER CYLINDER PRESSURE WAS LOW.  SERVICED THE CYCLINDER IAW AMM 52-22-00.

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