# SDR CA150619001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2015
- Submitted: August 5, 2015
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Condition: Out Of Adjust
- Location: Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA150619001

## Discrepancy

(CAN) ON CLIMB OUT, THE CREW OBSERVED A FUSELAGE DOOR WARNING LIGHT.  THE CREW ELECTED TO PERFORM AN AIR TURN BACK & LANDED BACK.  TROUBLESHOOTING REVEALED DOOR LOCKED SENSOR AT AFT SERVICE DOOR OUT OF ADJUSTMENT.  PROXIMITY SENSOR ADJUSTMENT CARRIED OUT IAW AMM & AIRCRAFT RTS.  THERE WAS NO HISTORY THAT ANY WORK WAS PERFORMED IN THIS AREA PREVIOUSLY.  PROXIMITY SENSORS ARE MANUFACTURED & INSTALLED ON DOORS & LANDING GEAR SYSTEMS.

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