What was found
IN FLIGHT, THE TRANSMISSION CHIP CAUTION ILLUMINATED. INSPECTED CHIP DETECTOR, DEBRIS FOUND, DETERMINED TO BE INSIGNIFICANT IAW MM 63, NO FURTHER ACTION REQUIRED. AIRCRAFT WAS GROUND RUN FOR 10 MIN,THEN OPERATIONAL CHECK FLIGHT FOR 30+ MIN. COULD NOT DUPLICATED DISCREPANCY, AIRCRAFT WAS RETURNED TO SERVICE. UPON RETURN TO HANGAR A TRANSMISSION OIL AND FILTER CHANGE WAS PERFORMED IAW MM 63 & 12. THIS AIRCRAFT REMAINS OUT OF SERVICE AT THIS TIME, UPON RECOMMENDATION FROM MANUFACTURER TO REMOVE TRANSMISSION, AND SEND TO THEM FOR A THOROUGH INSPECTION.