# SDR AALA202301034855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2022
- Submitted: January 3, 2023
- Operation: Air carrier
- Aircraft: [N924US](https://openairdocs.org/aircraft/N924US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6569
- Aircraft time: 25,204 hours, 9,951 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Condition: Low Pressure
- Location: L4 Door Assist
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202301034855

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CHECK CABIN PRESSURE MESSAGE ON FLIGHT ATTENDEANT PANEL DOOR PAGE FOR 4L. MAINTENANCE SERVICED DOOR ASSIST BOTTLE AT 4L DOOR AND MESSAGE CLEARED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.