As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ON A SIGHTSEEING FLIGHT ON MAUI, HAWAII ON 2-23-00 AT APPROXIMATELY 3 PM HST, PILOT EXPERIENCED A LOW VOLTAGE CONDITION ON THE AIRCRAFT. PILOT THEN ELECTED TO MAKE A PRECAUTIONARY LANDING AT KEANAE PENNINSULA. FURTHER INVESTIGATION FOUND THE BATTERY WAS LOW DUE TO GENERATOR FAILURE. THE BATTERY AND THE GENERATOR WERE REPLACED AND FUNCTIONALLY CHECKED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (X)