# SDR FDEA202511132170

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2025
- Submitted: November 13, 2025
- Operation: Air carrier
- Aircraft: [N721FD](https://openairdocs.org/aircraft/N721FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 477
- Aircraft time: 55,984 hours, 30,640 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door
- Condition: Faulted
- Location: Zone 800
- 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/FDEA202511132170

## Discrepancy

L1 DOOR WILL NOT DISARM.   REVERSED MEL 52-11-01-01. FOUND WITH LOWER COVER REMOVED DOOR DISARMS AND ARMS NORMALLY. REINSTALLED LOWER COVER AND DOOR CONTINUES TO OPERATE NORMALLY. LOWER COVER WAS DAMAGED AND PLACED ON OIL REF WRI 52-10/5586.

---
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.