What was found
FUEL BYPASS WARNING DURING CLIMB, PILOT RECEIVED A FUEL IMPENDING BYPASS WARNING ON THE RT ENGINE FOLLOWED SHORTLY AFTER BY A SIMILAR WARNING ON THE LT ENGINE. EMERGENCY WAS DECLARED AND THE ACFT RETURNED TO THE POINT OF DEPARTURE FOR AN UNEVENTFUL LANDING WITH ENGINES OPERATING NORMALLY. THIS ACFT HAS HAD A RECENT HISTORY OF TRIGGERING FUEL BYPASS WARNINGS FOR WHICH NO FAULTS WERE FOUND. TROUBLESHOOTING IS ON-GOING.