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 PYLON AFT FAIRING QUICK RELEASE PIN OUTBOARD AFT BUSHING CORRODED. MAINTENANCE REMOVED AND REPLACED BUSHING IAW EMB 175 AMM 20-10-08. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.