As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE GROUND RUN FOLLOWING THE 50/100 HR INSPECTION THE AUXILIARY FUEL PUMP WAS FOUND TO BE CAVITATING. AUXILIARY FUEL PUMP REMOVED AND AUXILIARY FUEL PUMP, PN: D8187-B, TSO 1123 HRS WAS INSTALLED. SECOND AUXILIARY FUEL PUMP WAS FOUND TO BE INOPERATIVE. AUXILIARY FUEL PUMP REPLACED.