What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: AFTER TAKEOFF RIGHT FUEL BYPASS LIGHT ILLUMINATED, FUEL WAS ONLY BEING FEED FROM THR RIGHT WING FUEL TANK. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT CVG. REMOVED AND REPLACED FUEL FILTER (AALA202601064177) AND REMOVED AND REPLACED FUEL PRESSURE SWITCH (AALA202601060136). OPERATIONAL CHECK AND IDLE LEAK CHECKS GOOD. PERFORMED HIGH POWER TEST, PER AMM 71-00-00-700-813-F00. FUEL BYPASS LIGHT DID NOT ILLUMINATE DURING TEST. FUEL BURNED EVENLY FROM LEFT AND RIGHT TANKS.