As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, CREW REPORTED SMOKE IN LAVATORY AND ELECTED TO RETURN TO DEPARTURE. LANDED WITHOUT INCIDENT. MAINTENANCE DETERMINED SOURCE OF SMOKE TO BE COMING THROUGH THE NR 2 ENGINE BLEED. ENGINE WAS REPLACED, OPS CHECK PERFORMED AND THE DISCREPANCY CLEARED.