As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE TOILET CAUTION AT 700 FEET, MADE AN AIR RETURN INTO IND DUE TO FUMES IN CABIN. INSPECTED SYS AND REPLACED LT COALESCER SOCK IAW AMM 21-51-00. PERFORMED ENGINE AND APU RUNS IAW WORKSCOPE PROVIDED. NO SMOKE OR FUMES NOTED. BOTH PACKS OPERATE NORMALLY.