# SDR CA061204007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2006
- Submitted: January 19, 2007
- Operation: General aviation
- Make and model: Dhav DHC8*
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: MS219134
- Condition: Failed
- Location: Hydraulic Sys
- Part time: 16 hours
- Component: Manifold-Filter, Parkerhanfin, 9451693
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA061204007

## Discrepancy

(CAN) WHILE ON APPROACH AT 10,000 FEET CREW NOTICED NR 2 HYD QTY WAS LOW.  SHORTLY AFTER THAT THE NR 2 HYD ISO VLV CAUTION LIGHT CAME ON.  ALTERNATE LANDING GEAR EXTENSION CARRIED OUT.  FOUND THE O-RING FOR THE NR 4 PLUG-BLANKING ON THE NR 2 HYDRAULIC SYSTEM MANIFOLD-FILTER HAD FAILED.  (TC NR 20061204007)

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