As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT MAIN TANK TRANSFERRED INTO CENTER TANK. FLT CREW BURNED CENTER TANK DOWN TO 800...ONE HR LATER IN CRUISE CENTER TANK SHOWS 1500# INDICATING FUEL TRANSFER. ACCOMPLISHED SUCCESSFUL TEST 4 OF THE FUEL SCAVENGE SYSTEM. CAUSE OF DISCREPANCY WAS NOT ESTABLISHED.