# SDR AALA202107209985

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2021
- Submitted: July 20, 2021
- Operation: Air carrier
- Aircraft: [N139AN](https://openairdocs.org/aircraft/N139AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6687
- Aircraft time: 17,719 hours, 6,727 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Part number: DHE1141
- Condition: Out Of Adjust
- Location: Door
- Stage of operation: CL
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202107209985

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING CLIMB OUT DOOR 4 R AND 4L SLIDE ARMED INDICATION DISAPPEARED ON SD PAGE. FLIGHT ATTENDANT NOTED MINOR MOVEMENT WHEN PRESSED TO ARM IN ARM POSITION GIVING A MOMENTARY SLIDE ARMED LIGHT. **SUPPLEMENTAL REPORT FOR AALA202107129985: MAINTENANCE FOUND THE DOOR ARMING PROXIMITY SWITCH OUT OF ADJUSTMENT ON THE 4L DOOR AND THE 4R DOOR (AALA202107207704). MAINTENANCE ADJUSTED THE DOOR ARMING PROXIMITY SWITCHES ON THE 4L & 4R DOOR PER AMM 52-71-00 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK ** (CLOSED)

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