What was found
(CAN) ON ROTATION F/A REPORTED SMOKE IN THE CABIN. THIS WAS FOLLOWED BY TOILET SMOKE MESSAGE. CREW THEN NOTICED SMOKE IN THE COCKPIT. CREW DONNED MASKS, AND DUMPED PRESSURIZATION. THEN RECEIVED A CARGO SMOKE MESSAGE, AND BLEW CARGO FIRE BOTTLES. AFTER LANDING, A/C PERFORMED A RAPID PASSENGER DEPLANEMENT. MX DISCOVERED SEVERE OIL LEAK AND OIL SEAL RETAINING SPRING SHOWING ON NR 2 ENGINE. FURTHER INVESTIGATION DISCOVERED THAT THE CARBON SEAL OF THE NR 1 BEARING SEAL S /N STA6270B HAD FAILED. BEARING SEAL WAS REPLACED.