# SDR 2012F00029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2011
- Submitted: December 22, 2011
- Operation: General aviation
- Aircraft: N139SL
- Make and model: Piagio P180
- Aircraft serial: 1104
- Aircraft time: 6,901 hours, 5,297 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2012F00029

## Discrepancy

HYDRAULIC PRESSURE READS 0 AFTER LOWERING GEAR, HYD PRESSURE READS 0 DURING GEAR EXTENSION AND RETRACTION, NO HYD PRESSURE LIGHT.

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