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 NOSE LANDING GEAR DRAG BRACE MIDDLE PIN (AXLE) INTERNAL THREADS HAVE CORROSION. MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR DRAG BRACE MIDDLE PIN (AXLE) IAW EMB 175 AMM 32-21-03. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.