# SDR N3XR2016092000004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2016
- Submitted: September 20, 2016
- Operation: General aviation
- Aircraft: [N308ER](https://openairdocs.org/aircraft/N308ER), registered now
- Make and model: Diamon DA 42 NG
- Registry model: [Diamon DA 42 NG](https://openairdocs.org/model/diamond-aircraft-ind-da-42-ng) (OpenAirDocs)
- Aircraft serial: 42N210
- Aircraft time: 129 hours
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Part number: 1SE1
- Condition: Defective
- Location: Nlg
- Part time: 129 hours
- Stage of operation: CR
- 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/N3XR2016092000004

## Discrepancy

DURING FLIGHT, WHEN THE LANDING GEAR SELECTOR WAS PLACED IN THE DOWN/EXTEND POSITION, THE NLG GREEN LIGHT FAILED TO ILLUMINATE.  NO OTHER ABNORMAL INDICATION OCCURRED.  TROUBLESHOOTING REVEALED THAT THE NLG SWITCH PN-1SE1, REQUIRED EXCESSIVE DEPRESSION TO ACTIVATE.

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