Service difficulty report · Hyd Pump · Doug DC1030

Difficulty date
January 24, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N37077
Make and model
Doug DC1030
Aircraft serial
46981
Part
Hyd Pump
Part number
3508806
Condition
Leaking
Location
Nr 3 Engine
Part time
4,456 hours
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

THE HYDRAULIC SYSTEM 3 ELEVATOR OFF LIGHT CAME ON JUST PRIOR TO LANDING AT LGW. THE ELEVATOR FEEL CHANNEL LIGHT CAME ON AFTER LANDING. THE AIRCRAFT HAD LOST FLUID FROM THE NR 3 HYDRAULIC SYSTEM. MAINTENANCE FOUND THE NR 3 ENGINE DRIVEN RIGHT HYDRAULIC PUMP HOUSING LEAKING. THE HYDRAULIC PUMP WAS REMOVED AND REPLACED. THE NR 3 HYDRAULIC SYSTEM WAS SERVICED. LEAK AND OPERATIONAL CHECKS WERE GOOD.

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