What was found
THE PILOT REPORTED HE WAS ABOUT 3 TO 4 MILES OUT WHEN FIRE INDICATION APPEARED. DIDN'T DISCHARGE A BOTTLE OR SHUTDOWN THE ENGINE. AFTER CLEARING THE RUNWAY, THE INDICATION EXTINGUISHED ABOUT 1 MINUTE AFTER THE ENGINE WAS SHUTDOWN. AFTER DEPLANING THEY SAW HYD FLUID DRIPPING FROM THE COWLING. DIDN'T GET A HYD PUMP FAILURE INDICATION, BUT HE DID GET A HYD LOW CAS SHORTLY AFTER LANDING. MAINTENANCE FOUND THE ALTERNATOR WIRING HARNESS HAD CHAFED A PINPOINT HOLE IN THE EDP HYD PRESSURE LINE. THIS CAUSED A HIGH PRESSURE MIST OF 5606 TO SPRAY ON HARNESS. SPRAY IGNITED, MELTING THE HARNESS AND CLAMPS IN THE IMMEDIATE AREA. LOANER ENGINE INSTALLED ON AIRCRAFT. MFG IS DEVELOPING A SERVICE BULLETIN TO ADD CLAMPS