# SDR VJ32003F00012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2002
- Submitted: January 16, 2003
- Operation: Air carrier
- Aircraft: [N865AF](https://openairdocs.org/aircraft/N865AF), registered now
- Make and model: Grob G 120A
- Registry model: [Grob G 120A](https://openairdocs.org/model/grob-werke-g-120a) (OpenAirDocs)
- Aircraft serial: 85005
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Relay
- Condition: Shorted
- Location: Hyd Control
- Part time: 445 hours
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VJ32003F00012

## Discrepancy

DURING PROGRESSIVE INSPECTION FOUND BAD RELAY THAT CAUSED THE LANDING GEAR SYSTEM TO FAIL.  BELIEVE THE CAUSE IS BECAUSE THE HYDRAULIC CONTROL RELAY SHORTED INTERNALLY.  STILL TROUBLESHOOTING THE SYSTEM TO FIND WHAT CAUSE THE RELAY TO SHORT.

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