# SDR AALA2018080319018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2018
- Submitted: August 3, 2018
- Operation: Air carrier
- Aircraft: [N908AA](https://openairdocs.org/aircraft/N908AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7775
- Aircraft time: 3,405 hours, 1,295 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Part number: DHE1141
- Condition: Faulty
- Location: R1 Door
- 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/AALA2018080319018

## Discrepancy

THE R1 DOOR WILL NOT ARM.  THE AIRCRAFT WAS GROUNDED.  MAINTENANCE REPLACED THE RIGHT FORWARD PROXIMITY SWITCH IAW AMM 52-73-11, AND PERFORMED A SATISFACTORY OPERATIONAL CHECK.

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