As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A MAINTENANCE RUN, A SUBSTANCIAL AMOUNT OF FUEL WAS OBSERVED LEAKING FOM THE INBD L/E. THE L/E WAS REMOVED AND FUEL WAS FOUND TO BE COMING FROM THE MOTIVE FLOW PRESSURE SWITCH LOCATED IN THE FORWARD WING SPAR. A BENCH TEST WAS PERFORMED WITH COMPRESSED AIR AND THE LEAKAGE WAS DISCOVERED TO BE ORIGINATING FROM THE CASE OF THE SWITCH ASSY, UNDERNEITH THE METAL PART IDENTIFICAITON TAG. A NEW SWITCH WAS INSTALLED AND ACFT RETURNED TO SERVICE.