As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A DC AUXILIARY FUEL PUMP ASSEMBLY BUILD, IT WAS DETECTED THAT THERE WAS A SLIGHT AXIAL PLAY OF THE INDUCER IMPELLER ON THE MOTOR SHAFT OF THE CARTRIDGE. IT WAS IDENTIFIED THAT THE SCREW USED TO MOUNT THE INDUCER IMPELLER ONTO THE MOTOR SHAFT WAS OVER-LENGTH BY .1250. POTENTIAL QTY ISSUE CAN EXIST ON IN-SERVICE ACFT.