As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AFTER TAKEOFF RECEIVED FUEL IMBALANCE OF 1200 LBS. DIFFERENCE NOTED. COMPLIED WITH CONDITIONAL INSPECTION OF FUEL IMBALANCE EXCEEDADANCE. COULD NOT DUBLICATE FUEL IMBALANCE ON GROUND. FUELED AIRCRAFT AND NO FUEL INBALANCE NOTED. PER AMM 05-51-48-211-801.