Service difficulty report · Pump · Dorner DO328100

Difficulty date
November 26, 2002
Submitted
December 9, 2002
Operation
Air carrier
Aircraft
N423JS
Make and model
Dorner DO328100
Aircraft serial
3032
Aircraft time
20,012 hours, 17,922 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Pump
Part number
A5656
Part serial
248477
Condition
Failed
Location
Prop Control
Part time
15,875 hours, 13,855 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

DURING TAKE OFF, THE CREW RECEIVED A TAKE OFF CONFIGURATION WARNING ON THE RED WARNING PANEL AND ABORTED TAKE OFF. MAINTENANCE INSPECTED AND THE HIGH PRESSURE PUMP WAS ALLOWING FLUCTUATIONS OF THE PROP BLADE ANGLES. MAINTENANCE THEN REPLACED THE HIGH PRESSURE PUMP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.