# SDR HEER20170525306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2017
- Submitted: May 30, 2017
- Operation: Air carrier
- Aircraft: [N153PH](https://openairdocs.org/aircraft/N153PH), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41317
- Aircraft time: 3,474 hours
- System (JASC): [3297 · Landing Gear System Wiring](https://openairdocs.org/jasc/3297)
- Part: Wire Harness
- Part number: 1653A030002
- Part serial: 1378
- Condition: Intermittent
- Location: Downlock Switch
- 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/HEER20170525306

## Discrepancy

PILOT STATED LANDING GEAR DOWN LOCK LIGHT WAS NOT ILLUMINATED.  UNABLE TO EXTEND LANDING GEAR.  FOUND THE LEFT MAIN LANDING GEAR DOWN LOCK SWITCH INTERMITTENT.  REPLACED CABLE LOOM.

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