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 ENGINE PYLON FAIRING INBOARD AFT QUICK RELEASE PIN BUSHING CORRODED. MAINTENANCE REMOVED AND REPLACED BUSHING IAW EMB 175 AMM 21-10-08. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.