What was found
ON TAKEOFF, SMOKE DETECTED IN CABIN FUMES IN COCKPIT CREW DONNED MASKS LAVATORY SMOKE DETECTORS HEARD A/C LANDED AND RETURNED TO GATE UNDER POWER OIL ODOR DETECTED IN CABIN BY MAINTENANCE WHEN ENTERED AFTER PAX DOOR OPENED. FOUND NR 2 ENG OIL OVERSERVICED AND OIL DRAINED 5 PINTS OF OIL FROM TANK. ODOR IMPROVED AND OIL PRESS IMPROVED. PERFORMED REMOVAL OF OIL CONTAMINATION FROM AIR CONDITIONING PNEUMATIC SYSTEMS PER MM. NO SMOKE OR ODOR NOTED. ADJUSTED OIL PRESS DOWN ON NR 2 ENG, 950841 OK FOR SERVICE.