# SDR AALA202301318810

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2023
- Submitted: January 31, 2023
- Operation: Air carrier
- Aircraft: [N972UY](https://openairdocs.org/aircraft/N972UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4123
- Aircraft time: 44,219 hours, 16,536 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bottle
- Condition: Low Pressure
- Location: R4 Door Epas
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202301318810

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DOOR 4R INDICATES CHECK DOOR PRESSURE. MAINTENANCE SERVICED THE 4R DOOR ASSIST BOTTLE PER AMM 52-10-00.

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