# SDR AALA202406206343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2024
- Submitted: June 20, 2024
- Operation: Air carrier
- Aircraft: [N535UW](https://openairdocs.org/aircraft/N535UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3993
- Aircraft time: 50,508 hours, 18,970 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Packing
- Part number: MS28775015
- Condition: Leaking
- Location: Door Bottle
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202406206343

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS DOOR 3L NOT SHOWING ARMED LIGHT AND MESSAGE CHECK DOOR PRESSURE IS IN THE CIDS. MAINTENANCE FOUND 3L DOOR DAMPER AN EMERGENCY OPERATION CYLINDER PRESSURE READING / ZERO NO PRESSURE. MAINTENANCE FOUND THE DOOR DAMPER AN EMERGENCY OPERATION CYLINDER WAS LEAKING AND REPLACED THE THE CYLINDER DIAPHRAGM (AALA202406205645) AND THE SERVICING VALVE O-RING / PACKING (AALA202406206343). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO LEAKS OR FAULTS NOTED.

---
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.