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 L2 DOOR EMERGENCY SLIDE BOLTS LOWER DOOR FRAME CORRODED. MAINTENANCE REMOVED AND REPLACED L2 BOLTS EMERGENCY SLIDE LOWER DOOR FRAME IAW EMB 170 AMM 20-10-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.