As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INTERNAL INSPECTION OF THE FUEL BAYS FOUND FUEL PUMP WIRING HARNESSES IN BOTH WINGS WERE DAMAGED BY CHAFFING THROUGH THE WIRING INSULATION. WIRING WAS CHAFFING AGAINST ALUMINUM FUEL LINES AND PUMP BODY INSIDE TANK. CHAFFING CAUSED WEAR BEYOND LIMITS TO ALUMINUM FUEL LINES.