What was found
AFTER TAKEOFF FROM LIH, CREW LOST COMMUNICATION WITH TOWER FROM BOTH VHF RADIOS. THE CREW FOLLOWED THE LOST COM PROCEDURE AND STAYED ON COURSE AND SQUAWKED 7600. ON VISUAL APPROACH, HNL TOWER SIGNALED CLEAR FOR LANDING. AIRCRAFT LANDED IN HNL AND TAXIED TO FREIGHT RAMP. MAINTENANCE WAS UNABLE TO DUPLICATE THE FAULT. MAINTENANCE INSPECTED THE WIRING HARNESSES BUT NO DEFECTS WERE NOTED. PERFORMED OPERATIONAL CHECK OF VHF RADIOS WITH NO FAULTS ON GROUND.