As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SDF - FLT 1827 - SHORTLY AFTER TAKEOFF, CENTER FUEL TANK FUEL OF APPROXIMATELY 700 POUNDS WENT TO ZERO POUNDS. RIGHT WING TANK READING 700 POUNDS HIGHER THAN LEFT. SLIGHT FUEL SMELL IN COCKPIT. ACCOMPLISHED AUTOMATIC AND MANUAL CENTER FUEL AUTOFEED. COULD NOT DUPLICATE COMPLAINT. SYSTEM GROUND CHECKED, NORMAL OPERATION. RESIDUAL FUEL AT LEFT WING VENT. (X)