As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING THE 2B INTERNAL WING INSP, FOUND THAT THE LT & RT ELECTRICAL CONNECTOR BLANKING PINS WERE FALLING OUT, BECOMING FOD IN THE CTR FUEL TANK. CONNECTORS ARE LOCATED IN THE FUEL BAYS OF PANEL 175AB AND 176AB, ON THE FWD WALL.