As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LEFT FUEL TANK INDICATION WAS FLUCTUATING THROUGHOUT FLIGHT DIFFERING FROM RIGHT TANK BY UP TO 800 POUNDS. PERFORMED CURRENT STATUS, INFLIGHT FAULTS, FAULTS HISTORY, AND GROUND TEST PROCEDURES. NO FAULT FOUND. REF FIM 28-41-00-810-801.