What was found
(CAN) DURING TRAINING FLIGHT, PILOTS NOTED TRANSMISSION CHIP LIGHT, BURN-OFF ATTEMPTED PER FLM. NOT SUCCESSFUL, RETURNED TO BASE AME INSPECTED CHIP DETECTOR. FUZZ FOUND CLASS C CHAP 11 TABLE 11-2 MM. CLEANED AND GROUND RUN, NO FAULT FOUND. AIRCRAFT RETURNED TO SERVICE. PILOTS RESUMED TRAINING, NOTED TRANSMISSION CHIP LIGHT. BURN-OFF ATTEMPTED PER FLM. NOT SUCCESSFUL, RETURN TO BASE AME INSPECTED CHIP DETECTOR, CHIPS FOUND CLASS D-F CHAP 11 TABLE 11-2 MM. MAIN TRANSMISSION REMOVED FOR REPAIR (TC NR 20091124001)