As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) MTC REPORTED ELECTRICAL SMELL AND SMOKE IN A CABIN DURING AN A1 CHECK. UPON TROUBLESHOOTING, THEY DISCOVERED THE ELECTRICAL ODOR AND SMOKE WAS COMING FROM THE AFT LAV`S EXHAUST FAN, THE EXHAUST FAN IS FOUND SEIZED. MTC REPLACED THE AFT LAV FAN ASSEMBLY AND FUNCTION CHECK CARRIED OUT WITH NO FURTHER FAULT NOTED. (TC# 20190409006)