What was found
ON BLOCK IN, GROUND PERSONNEL SAW TAILPIPE FIRE, NR 1 ENGINE. CREW DISCHARGED FIRE BOTTLE AND MOTORED ENGINE, PUT OUT FIRE. INSPECTED ENGINE AND PYLON FOR DAMAGE, NO STRUCTURES FOUND DAMAGED. FOUND AFT-MOST FUEL FEED LINE COUPLING LOOSE AND FUEL LEAK IN NR 1 PYLON. FOUND SAFETY WIRE BROKEN AT PIG TAIL. REPLACED O-RING AND TIGHTENED COUPLING IAW MM 28-22-07, OPS AND LEAK CHECK OK. PYLON CONDUCTIVITY INSPECTION OK.