# SDR AALA202007169002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2020
- Submitted: July 16, 2020
- Operation: Air carrier
- Aircraft: [N510UW](https://openairdocs.org/aircraft/N510UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3858
- Aircraft time: 40,345 hours, 14,550 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Valve
- Part number: MS288892
- Condition: Defective
- Location: L4 Door
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202007169002

## Discrepancy

AIRCRAFT GROUNDED - L4 DOOR, "CHECK DOOR PRESSURE" INDICATION ON FORWARD FLIGHT ATTENDANT PANEL.  REMOVED AND REPLACED DOOR ASSIST BOTTLE FILLING VALVE PER AMM 52-13-14, OPERATIONAL AND LEAK CHECK GOOD.

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