As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT AND RIGHT NUMBER 5 SPOILER ACTUATOR ROD END BOLTS 2 EA CORRODED. MAINTENANCE REMOVED AND REPLACED THE BOLTS IAW EMB 170 AMM 27-65-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.