Service difficulty report · Signal Cond Unit · Dorner DO328100

Difficulty date
May 22, 2003
Submitted
June 2, 2003
Operation
Air carrier
Aircraft
N437JS
Make and model
Dorner DO328100
Aircraft serial
3055
Aircraft time
20,202 hours, 17,650 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Signal Cond Unit
Part number
311835602
Part serial
MM4525
Condition
Failed
Location
Lt Engine
Part time
19,212 hours, 16,379 cycles
Stage of operation
TO
How discovered
O
Nature of condition
R
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 LT HAND ENGINE WAS ONLY PRODUCING 85 PERCENT TORQUE AND THE CREW ABORTED TAKEOFF. THE AIRCRAFT WAS THEN FERRIED TO DAY. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND TORQUE SIGNAL CONDITIONER AND LEFT HAND TORQUE PROBE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-00-00. POWER ASSURANCE RUNS WERE PERFORMED AND NO DEFECTS WERE NOTED. THE AIRCRAT WAS THEN RELEASED FOR SERVICE.