As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS AFTER TAKEOFF, FUEL AUTO FEED FAULT. LEFT TANK QTY WAS FLUCTUATING ERRATICLY. THEN QTY INOP. RESET IAW QRH, THEN R QTY BECAME ERRATIC ALSO. EMERGENCY WAS DECLARED. MAINTENANCE REPLACED FQIC IAW AMM 28-42-34. BITE TEST OK. AIRCRAFT OK FOR SERVICE.