What was found
(CAN) AIRCRAFT WAS ON THE TAKE-OFF ROLL AND THE NUMBER 2 ENGINE WOULD NOT PRODUCE POWER. THE TAKE-OFF WAS REJECTED WITHOUT INCIDENT. A RUN UP WAS COMPLETED AND THE ISSUE WAS CONFIRMED. TROUBLESHOOTING AND ANALYSIS WAS CARRIED OUT BY MAINTENANCE STAFF AND THE DEFICIENCY WAS RECTIFIED. THE FCU WAS REPLACED, AS WELL AS THE FUEL HEATER WAS FLUSHED AS A POSSIBLE FIX AS WELL FROM THE MANUAL. AFTER THE TEST FLIGHT THE AIRCRAFT WAS FOUND SERVICEABLE BY THE FLIGHT CREW. THE AIRCRAFT HAS SINCE BEEN RELEASED INTO SERVICE. -THE TEARDOWN REPORT CLEARLY SHOWS THE FCU WAS SLOW TO RESPOND, INDICATING THE FCU WAS AT FAULT IN THIS EVENT.