What was found
ON LANDING IN EVV THE FLIGHT CREW REPORTED A LEFT ENGINE ELECTRONIC CONTROL UNIT FAILED. MAINTENANCE INSPECTED AND CLEANED THE CONNECTOR FOR THE ELECTRONIC CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-01 AND OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE. UPON TAKEOFF THE LEFT HAND ELECTRONIC CONTROL UNIT FAILED AND THE TAKEOFF WAS ABORTED. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND PROPELLOR HIGH PRESSURE PUMP IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-01. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.