SDR 9520579927

Service difficulty report · Hyd Shutoff Vlv · Doug DC931

Difficulty date
December 17, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N8920E
Make and model
Doug DC931
Aircraft serial
45835
Part
Hyd Shutoff Vlv
Condition
Failed
Location
Rt Hyd Syst
Stage of operation
AP
Nature of condition
K, J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING APPROACH, THE AIRCRAFT LOST HYDRAULIC QUANTITY AND PRESSURE. ALSO, THE LANDING GEAR WOULD NOT EXTEND USING ALTERNATE HYDRAULIC PUMP. EXTENDED LANDING GEAR USING EMERGENCY EXTENSION LEVER. FOUND HYDRAULIC SOLENOID SHUTOFF VALVE DAMAGED. REPLACED THE VALVE, ENGINE PUMP, AUXILIARY PUMP, ALTERNATE PUMP, RIGHT SIDE HYDRAULIC SYSTEM FILTERS AND SERVICED RESERVOIR. OPERATIONAL CHECK GOOD.

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