As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KOA/HNL - FLT 81 - PILOT REPORTED NR 2 'START VALVE OPEN' LIGHT CAME ON IN-FLIGHT. LIGHT WENT OUT WHEN POWER RETARDED. PRECAUTIONARY LANDING MADE IN KOA. REPLACED STARTER SHUT-OFF VALVE. ALSO, REPLACED STARTER, START SWITCH, AND STARTER SPLINE AS PRECAUTIONARY. AIRCRAFT RETURNED TO SERVICE. (X)