SDR CAL960277

Service difficulty report · Hyd Pump · Doug DC1030

Difficulty date
February 29, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N19072
Make and model
Doug DC1030
Aircraft serial
46576
Part
Hyd Pump
Part number
6506606
Condition
Leaking
Location
Nr 2 Engine
Part time
11,843 hours
Stage of operation
IN
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

FLT NR 6 - LAX - THE NR 2 ENG TEMP HIGH LIGHT ILLUMINATED AND WAS FOLLOWED SHORTLY AFTERWARDS BY THE LOSS OF NR 2 HYDRAULIC QUANTITY. BOTH PUMPS WERE SHUTOFF AND TEMP WAS NORMAL. THE AIRCRAFT LANDED WITHOUT INCIDENT. BOTH NR 2 ENGINE HYDRAULIC PUMPS WERE REMOVED AND REPLACED DUE TO LEAKING AT CASE AND ONE HAD A SHEARED SHAFT. THE NR 2 ENGINE PRESSURE AND CASE DRAIN FILTERS WERE REMOVED AND REPLACED DUE TO CONTAMINATION. THE LINES BETWEEN PUMPS AND FILTERS WERE FLUSHED. LEAK AND OPERATIONAL CHECKS WERE GOOD. (M)

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