SDR 0300749946

Service difficulty report · Line · Doug DC931

Difficulty date
April 7, 2003
Submitted
April 9, 2003
Operation
Air carrier
Aircraft
N8926E
Make and model
Doug DC931
Aircraft serial
45863
Aircraft time
64,858 hours, 69,752 cycles
Part
Line
Condition
Leaking
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

ON CLIMB SHORTLY AFTER GEAR RETRACTION THE RIGHT HYDRAULIC PRESSURE BEGAN FLUCTUATING BY FLUID LOSS. THE THE LEFT HYDRAULIC SYSTEM LOST PRESSURE AND LOST FLUID. THE LANDING GEAR WAS LOWERED BY ALTERNATE METHOD. FLIGHT DIVERTED TO IND AND LANDED SAFELY. MAINTENANCE FOUND 3 HYDRAULIC LINES BROKEN/LEAKING AND REPLACED THEM WITH TEMPORARY LINES. ALSO REPLACED BOTH LEFT AND RIGHT ENGINE DRIVED HYDRAULIC PUMPS, ELECTRICAL AUX HYDRAULIC PUMP AND ALL HYDRAULIC SYSTEM FILTERS. THE AIRCRAFT HAS RETURNED TO SERVICE.

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