What was found
(CAN) IN FLIGHT, THE NUMBER 1 ENGINE ZONE 1 FIRE WARNING LIGHT ILLUMINATED. THE FLIGHT CREW OPTED TO REDUCE THE POWER LEVER SETTING ON THE NR 1 ENGINE AND THE FIRE WARNING LIGHT EXTINGUISHED. THE FLIGHT CREW CONTINUED ON TO ITS FINAL DESTINATION. THE MAINTENANCE INSPECTION FOUND THE LT ENGINE TAILPIPE TO INTERMEDIATE PIPE CLAMP HAD FAILED. THE CLAMP WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE. ALL SUBSEQUENT OPERATIONS WERE NORMAL.