# SDR AALA201905179018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2019
- Submitted: May 20, 2019
- Operation: Air carrier
- Aircraft: [N543UW](https://openairdocs.org/aircraft/N543UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4843
- Aircraft time: 25,630 hours, 10,277 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/AALA201905179018

## Discrepancy

AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS L4 DOOR EMERGENCY ASSIST BOTTLE PRESSURE LOW. SERVICED R4 DOOR EMERGENCY ASSIST BOTTLE IAW AMM 52-10-00.

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