As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE START VALVE OPEN LIGHT INFLIGHT. THE AIRCRAFT WAS RETURNED TO HNL AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED NR 1 ENGINE STARTER SHUTOFF VALVE, AIRTURBINE STARTER AND STARTER ADAPTER. GRO OPS CHECK OK. AIRCRAFT RETURNED TO SERVICE. REFERENCE TSAA9580166.