# SDR AALA201606309006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2016
- Submitted: July 1, 2016
- Operation: Air carrier
- Aircraft: [N920US](https://openairdocs.org/aircraft/N920US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6490
- Aircraft time: 5,013 hours, 1,959 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bottle
- Condition: Low Pressure
- Location: L4 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/AALA201606309006

## Discrepancy

L4 DOOR PRESSURE OF EMERGENCY CYLINDER/ACCUMULATOR LOW. SERVICED THE L4 DOOR EMERGENCY CYLINDER/ACCUMULATOR PER AMM 52-10-00.

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