Service difficulty report · Hmu · Dorner DO328100

Difficulty date
May 29, 2003
Submitted
June 2, 2003
Operation
Air carrier
Aircraft
N437JS
Make and model
Dorner DO328100
Aircraft serial
3055
Aircraft time
20,240 hours, 17,685 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Hmu
Part number
8110995L27
Part serial
M80297
Condition
Failed
Location
Lt Engine
Part time
18,090 hours, 15,976 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 TAKEOFF, THE LEFT HAND ENGINE WAS ONLY PRODUCING 90 PERCENT TORQUE AND THE CREW ABORTED TAKEOFF. THE AIRCRAFT WAS FERRIED TO DAY. MAINTENANCE INSPECTED AND REMOVED THE LEFT HAND ELECTRONIC ENGINE CONTROL, AND THE LEFT HAND HYDROMECHANICAL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE 73-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.