What was found
DURING CLIMB-OUT AFTER TAKEOFF, LEFT TORQUE FLUCTUATED + OR - 10 - 15 PERCENT LEFT IGNITION LIGHT ILLUMINATED FOR 7SECONDS. CLEANED TORQUE SENSORS, INSTALLED THE DEC TEST HARNESS AND PERFORMED AN OPERATIONAL CHECK OF THE SYSTEM WITH ENGINES RUNNING. ALL INDICATIONS READ NORMAL. OPS CHECK GOOD IAW AMM 74-20-00. PERFORMED ENGINE RUN TEST IAW CF ENGINE MANUAL 72-00-00 FAULT ISOLATION PAGE 101. OPS CHK GOOD FAULT WAS NOT DUPLICATED OK FOR RETURN TO SERVICE.