As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED AN ELECTRICAL BURNING ODOR FROM THE LAVATORY LIGHT AFTER THE LATCH WAS CLOSED. THE ACFT LANDED WITHOUT INCIDENT. R & R THE LIGHT BALLAST, OPS TESTED WITH NO DEFECTS NOTED AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.