# SDR AALA2020072079013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2020
- Submitted: July 20, 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: Cylinder
- Condition: Low Pressure
- Location: L4 Door
- 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/AALA2020072079013

## Discrepancy

AIRCRAFT WAS GROUNDED: CHECK DOOR PRESS 4L ON FA'S FWD PANEL. REPEAT WRITE UP. FOUND FILLING VALVE NUT LOOSE. CHARGED DOOR DAMPER IAW AMM 52-10-00. LEAK CHECK GOOD.

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