SDR 0202469609

Service difficulty report · Pump · Doug DC932

Difficulty date
July 28, 2002
Submitted
August 2, 2002
Operation
Air carrier
Aircraft
N609NW
Make and model
Doug DC932
Aircraft serial
47234
Aircraft time
69,178 hours, 61,435 cycles
Part
Pump
Part number
314195
Part serial
92043
Condition
Malfunctioned
Location
Hyd System
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
H

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

What was found

DURING DESCENT FOR LANDING INTO MSP, THE RIGHT HYDRAULIC SYSTEM PRESSURE WENT TO ZERO PSI AND THE QUANTITY WENT TO MAX HIGH SCALE. THE RUDDER CONTROL MANUAL ANNUNCIATOR LIGHT ILLUMINATED. COMPLIED WITH COM PROCEDURES AND THE AIRCRAFT LANDED WITHOUT INCIDENT AT MSP. MAINTENANCE REPLACED THE RIGHT HYDRAULIC RESERVOIR, THE RIGHT HYDRAULIC ENGINE DRIVEN PUMP, AND FILTER AND RESERVICED THE SYSTEM. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

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