# SDR P4YA2012102500001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2012
- Submitted: October 30, 2012
- Operation: Air carrier
- Aircraft: N511AV
- Make and model: Dhav DHC8*
- Aircraft serial: 51
- Aircraft time: 55,776 hours, 61,297 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Condition: Leaking
- 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/P4YA2012102500001

## Discrepancy

IN FLIGHT, NOTED SLOW LOSS OF NR 2 HYD QUANTITY.  RETURNED TO BASE. AFTER LANDING, RECEIVED NR 2 ISOLATION VALVE CAUTION LIGHT.  AFTER SHUTDOWN NOTED LARGE HYD LEAK IN NR 2 WHEEL WELL.  RESEATED PRESSURE LINE ON FILTER MANIFOLD ASSY; SERVICED HYD SYS AND PERFORMED SATISFACTORY OPS CHECK.

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