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 REMAINED ILLUMINATED AFTER ENGINE START. START SWITCH CUTOUT NORMALLY. START VALVE OPEN LIGHT EXTINGUISHED WHEN THE APU BLEED VALVE WAS CLOSED. ACFT GROUNDED. FOUND START VALVE NR 1 ENGINE STICKING OPEN. REPLACED START VALVE IAW AMM 80-11-03-400-8001, NO LEAKS NOTED, STARTED NR 1 ENG NORMAL.