As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YUL - FLT 80 - 3 HOURS INTO FLT STRONG ELECTRICAL BURNING ODOR IN CABIN ALONG WITH LEFT RECIRC FAN INOP MESSAGE ILLUMINATED ON EICAS. DIVERTED AND LANDED YUL WITHOUT INCIDENT. REPLACED LEFT RECIRCULATION FAN. SYSTEM GROUND CHECK NORMAL OPERATION. (M)