As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AU) ALL 3 LANDING LIGHTS FAILED TO ILLUMINATE WITH GEAR DOWN. MAINTENANCE FOUND LANDING GEAR WIRE HARNESS CHAFED THROUGH BY STIFFENER (P/N 980033-21). STIFFENER IS PART OF UPPER AFT SKIN OF LT NACELLE. THERE WAS NO PROTECTION ON THE STIFFENER.