# SDR Z1RA030062017001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2017
- Submitted: April 12, 2017
- Operation: Air carrier
- Aircraft: N760AP
- Make and model: Skrsky S76C
- Aircraft serial: 760523
- Aircraft time: 12,356 hours, 22,027 cycles
- Engine: Tmeca ARRIEL2S1
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Relay
- Part number: MM835366022M
- Condition: Inoperative
- Location: Hyd System
- Part time: 12,356 hours
- Stage of operation: AA
- How discovered: O
- Nature of condition: J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Z1RA030062017001

## Discrepancy

DURING CRUISE FLIGHT, THE NR 2 HYDRAULIC SERVO SYSTEM WARNING CAUTION LIGHT ILLUMINATED.  DECLARED EMERGENCY AND RETURNED TO DEPARTURE. REPLACED THE NR 2 SERVO RELAY AND AS A PRECAUTION, REPLACED THE NR 2 HYDRAULIC MODULE PRESSURE SWITCH.

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