# SDR CA190625002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Aircraft time: 13,452 hours
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Relief Valve
- Part number: 9752565
- Condition: Leaking
- Location: Hyd System
- Part time: 14,643 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190625002

## Discrepancy

(CAN) MAINTENANCE DISCOVERED #1 HYD QTY AT 35% AND HYD FLUID UNDER CTR FUSELAGE. WHEN FLAPS OPERATED, FLUID STREAMED FROM THE CTR FUSELAGE DRAIN. THE #1 HYD SYSTEM BALANCE RELIEF VALVE WAS REPLACED, THE SYSTEM TESTED SERVICEABLE AND THE AIRCRAFT WAS SUBSEQUENTLY RELEASED FOR SERVICE. (TC# 20190625002)

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