As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT SPOILER LIGHT ON WITH HYDS, NO EICAS MESSAGE NOTED. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED AND REPLACE R1 SPOILER CONTROL MODULE (M533),SPOILER INDICATION SYSTEM AND OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.