As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF APPROX 500 ', LAV SMOKE ILLUMINATED WITH ODOR OF SMOKE. FLIGHT ATTENDANT REPORTS HAZE BY LAV, AT 5000' LIGHT EXTINGUISHED. ODOR SUBSIDED. A/C RETURNED TO ORD. REMOVED AND REPLACED RT ENGINE ASSY IAW W/C 71-000-00 OPERATIONAL AND LEAK CHECK GOOD COMPLETED A FCF AND PASSED. AIRCRAFT RETURN TO SERVICE