What was found
LEFT ENGINE COMPRESSOR STALLED PRIOR TO TAKEOFF ROLL, POWERING UP ENGINE, THREE POPS WERE HEARD FROM THE LEFT ENGINE FOLLOWED BY A BURNING OIL ODOR INSIDE THE CABIN. TROUBLESHOT THE ISSUE. REMOVED AND REPLACED THE NR 1 AND 2 INTERFACE PRINTED CIRCUIT BOARDS, TORQUE MOTOR AND EEC. ALL WORK PERFORMED IAW MM.