SDR 99ZZZM259

Service difficulty report · Pump · Doug DC1030

Difficulty date
April 4, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N143AA
Make and model
Doug DC1030
Aircraft serial
46555
Part
Pump
Part number
PV32402F
Condition
Defective
Location
Rt Engine
Component
Vickers
Stage of operation
CL
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

DFW - FLT 123 - DURING CLIMB-OUT, THE NR 2 ENGNE RIGHT HYDRAULIC PUMP HIGH TEMPERATURE LIGHT ILLUMINATED, FOLLOWED SHORTLY BY THE LEFT HYDRAULIC PUMP HIGH TEMPERATURE LIGHT ILLUMINATING. BOTH PUMPS WERE TURNED OFF BY THE ABNORMAL CHECKLIST, AND BOTH HIGH TEMPERATURE LIGHTS EXTINGUISHED AFTER 5 MINUTES. AIRCRAFT AIR INTERRUPTED AND LANDED DFW WITHOUT FURTHER INCIDENT. MAINTENANCE CHECKED AND INSPECTED SYSTEM AND DETERMINED THE PUMPS WERE FAULTY. MAINTENANCE REPLACED BOTH ENGINE DRIVEN HYDRAULIC PUMPS AND FILTERS. RAN RIGHT ENGINE AND PUMPS WITH NO OVER HEATING OR LEAKS NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)

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