As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DEPARTURE, A STRONG ODOR OF SMOKE IN THE COCKPIT AFTER AIRBORNE, 10 SEC SMOKE AFT LAVATORY WARNING MESSAGE ON EICAS. RAN QRH LANDED. INSPECTED AFT LAV FOR SMOKE ODOR IAW FIM TASK 21-21-00-810-806. NO DEFECT NOTED. THE COMPRESSOR WASH CHEMICAL FLUID ODOR WAS EVIDENT IN CABIN. FLUSHED THE RT AND LT INTERNAL ENGINES AIRFLOW COMPONENTS IAW 900-72-430-904. NO DISCRPANCY AT THIS TIME. "