As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSTALLED FOUR O/H FUEL BOOST PUMPS, IN SAME POSITION. EACH BOOST PUMP WOULD OPERATE WHEN INITIALLY POWERED UP, THEN FAIL TO OPERATE ON SUBSEQUENT ATTEMPTS. INSTALLATION OF FIFTH OVER HAULED UNIT OPS CHECKED NORMAL WITH NO SUBSEQUENT FAILURES.