# SDR AALA202408054782

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2024
- Submitted: August 5, 2024
- Operation: Air carrier
- Aircraft: [N916US](https://openairdocs.org/aircraft/N916US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6420
- Aircraft time: 31,091 hours, 12,648 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Condition: Low Pressure
- Location: Zone 800
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202408054782

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CIDS PANEL SHOWS CHECK DOOR PRESSURE CAUTION FOR DOOR 4L.  NO OTHER APPARENT MALFUNCTION. SERVICED 4L DOOR DISCHARGING/CHARGING OF THE DOOR DAMPER AND EMERGENCY OPERATION CYLINDER OF THE PASSENGER IAW AMM 52-10-00.

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