As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: IN FLIGHT, LEFT MAIN FUEL TANK CONTINUOUSLY DISPLAYING A LOWER AMOUNT. EVEN AFTER BALANCING THE FUEL, LEFT MAIN GOES LOWER THAN RIGHT BY UP TO 600 LBS. VERIFIED INOPERATIVE MAIN FUEL INDICATION LIGHT. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).