As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SMOKE EICAS MESSAGE ILLUMINATED AFTER TAKEOFF. FOUND BLUE WATER SPILL ON BLEED DUCT IN LAVATORY. CLEANED BLUE WATER SPILL AND PERFORMED OPERATIONAL CHECK OF AIR CONDITIONING SYSTEM. PERFORMED FUNCTIONAL CHECK FLIGHT WITH NO DISCREPANCIES NOTED. AC RETURNED TO SERVICE. (K)