As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)DURING PRESTART #1 AFT FUEL BOOST PUMP PRESSURE LIGHT REMAINED ON WHILE TESTING FUEL PUMPS INLET PORTS OF PUMP. FOUND BLOCKED BY METAL FOIL SELF ADHESIVE LABEL WHICH HAD COME DETACHED FROM THE PUMP. L ABEL FROM PUMP SUPPLIER. PUMP HAD BEEN IN AIRCRAFT FOR 13 MONTHS WITH NO SNAGS.