As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER NUMBER 1 ENGINE WAS STARTED, THE START VALVE OPEN LIGHT STAYED ILLUMINATED. GROUNDED - YES. ENGINE RUN PERFORMED BY THE FLIGHT CREW IAW AMM 71-00-00-910-803-G00. ENGINE #1 STARTS NORMAL ALL PARS GOOD ENG 1 VALVE ILLUMINATED AND EXTINGUISHED AND STAYED EXTINGUISHED DURING START PROCESS. AIRCRAFT OK FOR SERVICEJETT-PRO YUJR093Y.