What was found
RT ENGINE FIRE LIGHT CAME ON DURING CLIMBOUT, RETARDED THROTTLE LIGHT WENT OUT, ADVANCED THROTTLE LIGHT CAME BACK ON AND LANDED. PERFORMED LEAK CHECKS WITH COWLING OPEN, RAN AT FULL POWER FOR 10 MINUTES, COULD NOT DUPLICATE PROBLEM. FLEW AIRCRAFT BACK TO HOME BASE FOR FURTHER TROUBLESHOOTING. PROBLEM DID NOT REPEAT ON RETURN FLIGHT. CAUSE UNKNOWN AT THIS TIME. WHEN IDENTIFIED, A FOLLOW UP REPORT WILL BE SUBMITTED. (K)