# SDR AC2A2MH07032017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2017
- Submitted: July 3, 2017
- Operation: Air carrier
- Aircraft: [N292MH](https://openairdocs.org/aircraft/N292MH), registered now
- Make and model: Skrsky S92A
- Aircraft serial: 920204
- Aircraft time: 3,665 hours, 1,799 cycles
- System (JASC): [2916 · Hydraulic Reservoir, Main](https://openairdocs.org/jasc/2916)
- Part: Seal
- Part number: 9910409
- Condition: Failed
- Location: Hyd Reseroir
- Part time: 3,665 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2A2MH07032017

## Discrepancy

NR 3 HYDRAULIC RESERVOIR LOW CAUTION LIGHT ILLUMINATED IN FLIGHT, FOLLOWED BY A NR 3 HYDRAULIC PUMP FAIL LIGHT.  AIRCRAFT MADE A PRECAUTIONARY LANDING. FOUND A FLUID LEAK AT PILOT OPERATED CHECK VALVE ON HYDRAULIC SUPPLY MODULE. REMOVED THE CHECK VALVE AND FOUND DAMAGED O-RING AND SEALS. REPLACED DAMAGED SEALS AND O-RING ON CHECK VALVE.

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