What was found
AFTER TAKEOFF THE FLIGHT CREW RECEIVED A CARGO & LAVATORY SMOKE MSG. THE ACFT RETURNED TO THE FIELD & MX DISCOVERED OIL WETTING IN THE NR 2 ENG COMPRESSOR. MX REMOVED ENG SN 575632 & INSTALLED SERVICEABLE ENG 575640 IAW MPD TASK CARDS MP 71042-01, MP 71042-02 & REFERENCE DETAILS ON NON-ROUTINE 113264, 113272, 113273, 113274, 113275, 113277, 113278, 113279, 113280 & 113281.