What was found
ACFT WAS IN FLIGHT WHEN A FIRE WARNING LIGHT ILLUMINATED. PILOT ACTIVATED ENGINE EXTINGUISHER SYS AND WARNING LIGHT WENT OUT. DURING INSPECTION, FIRE SLEEVE PROTECTING ENGINE WIRE BUNDLE AFT OF ENGINE, ADJACENT TO INBD EXHAUST PIPE WAS FOUND TO BE TOUCHING EXHAUST PIPE. FIRE SLEEVE REMOVED, REPLACED AND WIRES INSIDE WERE INSPECTED BUT WERE FOUND TO HAVE NO DAMAGE. FIRE SLEEVE REPLACED, AND POSITIONED AWAY FROM EXHAUST WITH ADEL CLAMP. FIRE BOTTLE REPLACED AND ACFT RETURNED TO SERVICE.