As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2342 - EWR - FLIGHT CREW REPORTED LAV SMOKE ON EICAS ON T/O AND PAX DESCRIBED DISTINCT ODOR ON T/O AND LANDING. EWR MX CLEANED APU OIL COOLER AND PERFORMED OPERATIONAL TEST SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.