As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. WHEN ENTERING RUNWAY FOR TAKEOFF, THE LEFT ENGINE HIGH STAGE LIGHT ILLUMINATED. REMOVED AND REPLACED HIGH PRESSURE SHUTOFF VALVE IAW AMM 36-11-07 AND HIGH STAGE PILOT IAW AMM 36-11-08(AALA20170125021). LEAK AND OPERATIONAL CHECK GOOD.