As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HIGH RESISTANCE BETWEEN LT MAIN TANK OVER-WING FILL PORT TO STRUCTURE. LT OVER-WING FILL PORT REMOVED & ALL MATING SURFACES CLEANED. FILL PORT REINSTALLED IAW AMM 28-11-04-404-019 REV 119. ELECTRICAL BONDING RESISTANCE MEASURED FOUND WITHIN LIMITS.