What was found
ON APPROACH, 3 MILES SOUTH OF AIRPORT, PILOT EXPERIENCED A FIRE WARNING LIGHT TO RT ENGINE. FLIGHT EN ROUTE FROM KAHOOLAWE FOLLOWED BY ANOTHER HELICOPTER. THE TWO AIRCRAFT WERE IN RADIO COMM WITH EACH OTHER. PILOT OF ACFT FOLLOWING, ADVISED THERE WAS NO SMOKE OR UNUSUAL CONDITIONS WITH OTHER ACFT. ALL COCKPIT INSTRUMENTATION INDICATIONS WERE NORMAL. PILOT PROCEEDED WITH LANDING AT KAHULUI HELIPORT. UPON LANDING, GROUND CREW , MECH FOUND A BROKEN WIRE ON THE RT HAND FIRE DETECTOR. THE WIRE WAS REPAIRED AT THE CONNECTOR AND A LOG BOOK ENTRY MADE TO REFLECT MAINTENANCE.