As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING SB NR 767-28A0077, THE MECHANIC REMOVED 2 EACH LT WING AND 2 EACH RT WING FUEL BOOST PUMPS. HE DISCOVERED ELECTRICAL ARCING DAMAGE ON BOTH LT WING AND BOTH RT WING BOOST PUMPS. UPON FURTHER INVESTIGATION FOUND ADDITIONAL ELECTRICAL ARCING ON BOTH LT WING AND RT WING BOOST PUMP SLEEVES AND BOOST PUMP HOUSINGS. EO 28-03-01-72.