What was found
THE AIRCRAFT DEPARTED KLRD AND DURING CLIMB OUT THE RIGHT ENGINE FIRE WARNING ILLUMINATED. THE PILOT IN CHARGE REDUCED POWER TO THE RIGHT ENGINE AND BEGAN HIS ENGINE SHUT DOWN CHECK LIST. HE ALSO DECLARED AN EMERGENCY AND ASKED TO RETURN TO KLRD. BEFORE HE SHUT DOWN THE ENGINE THE FIRE WARNING INDICATION WAS NO LONGER ILLUMINATED,THE PILOT IN CHARGE RETURNED TO KLRD WITHOUT INCIDENT. AFTER LANDING THERE WAS NO EXTERNAL INDICATION OF A FIRE. A COMPANY MECHANIC WAS DISPATCHED TO KLRD AND FOUND A BLEED AIR LEAK WHICH CAUSED THE FALSE FIRE WARNING INDICATION. A GASKET P/N MY20522008A! WAS REPLACED.