# SDR AALA202203291221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2022
- Submitted: March 29, 2022
- Operation: Air carrier
- Aircraft: [N193UW](https://openairdocs.org/aircraft/N193UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 3584
- Aircraft time: 42,389 hours, 16,476 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Valve
- Part number: MS288892
- Condition: Leaking
- Location: Zone 800 - Doors
- 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/AALA202203291221

## Discrepancy

AIRCRAFT WAS GROUNDED: 1R DOOR ASSIST BOTTLE HAS HISTORY OF LOW PRESSURE REPORTS. MAINTENANCE FOUND A NICK ON THE  CHARGING VALVE, REPLACED CHARGING VALVE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-00-860-005-A

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