# SDR SWIA201743939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2017
- Submitted: November 1, 2017
- Operation: Air carrier
- Aircraft: [N884AS](https://openairdocs.org/aircraft/N884AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7513
- Aircraft time: 34,105 hours, 31,638 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Failed
- Location: Hyd System
- 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/SWIA201743939

## Discrepancy

HYD SYSTEM 3 FAILED DURING CRUISE FLIGHT.  ZERO PSI. COMPLIED WITH QRH.  DECLARED EMERGENCY.  PERFORMED A FREEFALL EXTENSION OF LANDING GEAR. R & R THE HYD PUMP 3A AND 3B IAW AMM.  R & R THE O-RING BETWEEN THE PUMP AND THE BALL ATTENUATOR.   LEAK CHECKED GOOD.

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