# SDR CA070510001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2007
- Submitted: June 7, 2007
- Operation: General aviation
- Make and model: Dhav DHC8301
- Engine: Pwa PW123
- Propeller: Hamstd 14SF23
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Check Valve
- Part number: DSC1896
- Condition: Cracked
- Location: Nr 2 Hyd Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA070510001

## Discrepancy

(CAN) AN OPERATOR EXPERIENCED A LOSS OF NR 2 HYD FLUID SYSTEM DUE TO A FRACTURED CHECK VALVE WHEN THE LANDING GEAR WAS SELECTED DOWN DURING APPROACH. THE CAUSE OF THE EVENT IS A CIRCUMFERENTIAL CRACK AROUND NR 2 HYD SYSTEM MANIFOLD CHECK VALVE. (TC NR 20070510001)

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