As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAY FLT 5932 - THE CREW REPORTED A LAV SMOKE INDICATION ON TAKEOFF. THE AIRCRAFT RETURNED TO DAY AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND RAN THE ENGINES AND APU. MAINTENANCE DETERMINED DE-ICE FLUID IN NR 2 ENGINE TO BE CAUSE OF WARNING.