# SDR CA021029013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2002
- Submitted: November 6, 2002
- Operation: Air carrier
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- System (JASC): [3297 · Landing Gear System Wiring](https://openairdocs.org/jasc/3297)
- Part: Wire
- Condition: Broken
- Location: Downlock Sensor
- 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/CA021029013

## Discrepancy

(CAN) GEAR RETRACTION FAILURE WHEN SEL. GEAR UP NOSEGEAR NOT UP READ AND AMBER LIGHT ON . ACC.TO CHECKLIST SEL. GEAR DOWN,  ALL GREEN LIGHTS ON.LANDING COMPLETED NORM LANDING.  PASSENGER INFORMED AND BRIEFED.  INVESTIGATION & ACTION DURING TROUBLESHOOTING, WIRE FOR NR 2 NOSE GEAR DOWNLOCK PROXIMITY SENSOR WAS FOUND BROKEN. PROXIMITY SENSOR HARNESS REPLACED. LANDING GEAR RETRACTION & EXTENSION TEST PERFORMED WITHOUT REMARKS

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