As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE AIRCRAFT WAS AT MAINTENCE BASE IT WAS DECIDED TO DO THE FUEL PUMP INLET SCREEN INSPECTION. WHEN THE OUTLET FILTER WAS REMOVED TO GAIN ACCESS TO THE SCREEN WE FOUND METAL IN THE FILTER AND ALSO LOT OF METAL FILLINGS IN THE FILTER HOUS ING. OVERHAUL SHOP WAS NOTIFIDED AND NEW PUMP IS BEING SHIPPED. NO METAL WAS FOUND IN AIRFRAME FILTER, INLET SCREEN ON PUMP OR INLET SCREEN IN FCU.