As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: RAPID FUEL IMBAL SHORTLY AFTER T/O REQUIRING UNUSUAL CONTROL INPUTS FOR LEVEL FLIGHT. RT TANK APPROACHED 2000 LB IMBAL IN 15MINS WITH NO LOW PRESSURE LTS ONLY IMBAL LT ON LOWER DU (CONT) FUEL WAS REBALANCED AND DID NOT APPEAR TO BE LEAKING PER FUEL LOG. ONCE BALANCED BURN WAS NORMAL IN CRUISE AND DECENT. LANDED DESTINATION WITH PROPER FUEL REMAINING. REPLACED R/H FUEL PUMP ASSY AND LOW PRESSURE SWITCH IAW AMM 28-28-41 OPS AND LEAK CHECK GOOD SWITCH IAW AMM 28-42-11.