# SDR AALA201810159008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2018
- Submitted: October 15, 2018
- Operation: Air carrier
- Aircraft: [N923US](https://openairdocs.org/aircraft/N923US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6543
- Aircraft time: 12,590 hours, 4,854 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: O-Ring
- Condition: Leaking
- Location: Cylinder
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201810159008

## Discrepancy

CHECK DOOR PRESSURE FOR THE L1 DOOR CAUTION ON CIDS PANEL.  THE AIRCRAFT WAS GROUNDED.  REPLACED A LEAKING O-RING ON VALVE GUIDE OF DOOR DAMPER EMERGENCY OPERATION CYLINDER IAW AMM 52-10-00.  NO LEAKS NOTED. OK FOR SERVICE.

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