What was found
AT ARRIVAL NR 2 ENG AFTER SHUT DOWN HAD FUEL VAPORS THEN TAIL PIPE FIRE FOR ABOUT 3 TO 5 SECONDS THEN EXTINGUISHED. ENG FUEL VLV RT STATUS MESSAGE DISPLAYED. CHECKED CONTINUITY FROM EEC DM73003C & DM73003K PINS 2-9, 10-25 & ALSO SHORT TO GND. CLEANED & RESEATED DM73003C, 73003K, DJ73001B , 73001G, 73001N ,73001O. IAW WDM76-21-12 CHECKED GND AT D71224J PIN 4, 28V AT PIN 3. IAW WDM76-21-71 CHECKED 25577D71074P CONTINUITY PINS 1 - 2, NO FAULTS NOTED. ENG STARTED & SHUTDOWN NORMALLY AT GATE, AIRCRAFT OK FOR SERVICE.