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 AFT SERVICE DOOR R2 LOWER EVACUATION SLIDE MOUNTING HARDWARE CORRODED. MAINTENANCE REMOVED AND REPLACED THE HARDWARE AFT SERVICE DOOR R2 LOWER EVACUATION SLIDE MOUNT. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.