# SDR AALA201802059053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2018
- Submitted: February 6, 2018
- Operation: Air carrier
- Aircraft: [N176UW](https://openairdocs.org/aircraft/N176UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1499
- Aircraft time: 57,442 hours, 21,514 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Relay
- Condition: Faulty
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201802059053

## Discrepancy

R3 DOOR  INTERMITTENTLY NOT ARMED ON ECAM.  FLIGHT ATTENDANTS REPORTED DOOR WAS ARMED, BUT CABIN PRESSURIZED LIGHT WAS BLINKING DURING CRUISE.  MAINTNENANCE REPLACED THE RELAY 12WN AND PERFORMED SATISFACTORY OPERATIONAL CHECK IAW TSM 52-22-00-810-814-A.

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