# SDR AALA202011179005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2020
- Submitted: November 17, 2020
- Operation: Air carrier
- Aircraft: [N922US](https://openairdocs.org/aircraft/N922US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6537
- Aircraft time: 18,944 hours, 7,362 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Condition: Low Pressure
- Location: L1 Door Assist
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202011179005

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  L1 DOOR LOW BOTTLE PRESSURE ON CABIN INTERCOMMUNICATION DATA SYSTEM.  SERVICED L1 DOOR ASSIST BOTTLE, PER AMM 52-10-00.

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