# SDR AALA202012169011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2020
- Submitted: December 16, 2020
- Operation: Air carrier
- Aircraft: [N412UW](https://openairdocs.org/aircraft/N412UW), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 9224
- Aircraft time: 2,084 hours, 628 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: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202012169011

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  L4 DOOR ASSIST BOTTLE PRESSURE IS LOW.  SERVICED L4 DOOR PSI, PER AMM 52-10-00-614-001-A.

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