# SDR DALA2020120403976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2020
- Submitted: December 4, 2020
- Operation: Air carrier
- Aircraft: [N364DX](https://openairdocs.org/aircraft/N364DX), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8530
- Aircraft time: 5,600 hours, 2,516 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Condition: Low Pressure
- Location: L4 Door Assist
- 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/DALA2020120403976

## Discrepancy

SERVICE CHECK FOUND L4 DOOR ASSIST BOTTLE WITH LOW PRESSURE.  CORRECTIVE ACTION: R & R L4 DOOR ASSIST BOTTLE GAS CHARGING VALVE, PER CMM 52-11-03.  SERVICED NITROGEN PRESSURE, LEAK CHECK OK, LOCK PIN REMOVED.

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