# SDR JJBA20120930002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2012
- Submitted: October 4, 2012
- Operation: Air carrier
- Aircraft: [N359PH](https://openairdocs.org/aircraft/N359PH), registered now
- Make and model: Dhav DHC8202
- Aircraft serial: 514
- Aircraft time: 30,359 hours, 41,746 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Part number: DSC1896
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CL
- 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/JJBA20120930002

## Discrepancy

SHORTLY AFTER TAKEOFF, CREW REPORTED THAT THE NR 2 HYD PRESSURE AND QUANTITY FELL TO 0 AT ACCELERATION HEIGHT.  THE CREW RETURNED TO THE FIELD SHUTDOWN THE ENGINES AND THE ACFT WAS TOWED BACK TO THE GATE.  THE GROUND MX CREW FOUND A HYD CHECK VALVE LEAKING.  THEY R & R THE CHECK VALVE.  AN OPS AND LEAK CHECK PRODUCED SATISFACTORY RESULTS AND THE ACFT WAS RETURNED TO SERVICE.

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