What was found
YIP - TOWER REPORTED FUEL VENTING FROM RIGHT WING AFTER TAKEOFF FROM YIP. UNSCHEDULED LANDING MADE, AIRCRAFT RETURNED TO YIP. NO EMERGENCY PROCEDURES REQUIRED. MX REPLACED THE FUEL FILTER/FILLER ASSEMBLY IN THE RIGHT WING WITH A SERVICEABLE PART. AIRCRAFT WAS RUN UP AND FUEL CAP SHOWED NO LEAKAGE OF PRESSURE DURING ENGINE RUN. THIS IS THE SECOND TIME THAT THIS AIRCRAFT HAS HAD FUEL VENTING FROM RIGHT WING FUEL FILLER. THE FUEL CAP WAS REPLACED THE PRIOR INCIDENT. (M)