What was found
(CAN) PILOT REPORTED SMELL DURING TAXI-OUT WHEN DEPARTING. THE AIRCRAFT WAS DECLARED AOG. MAINTENANCE PERFORMED FIM TASKS LIKE OIL LEVEL CHECK, FAULT CODES CHECK AND BORESCOPE INSPECTION OF BOTH LH ENGINE AND RH ENGINE. OIL WETNESS AT THE NO. 5 BEARING AREA WAS OBSERVED ON BOTH ENGINES . CONFIRMED THAT NO DRY MOTORING WAS PERFORMED BEFORE THE BORESCOPE INSPECTION. A PURGE RUN WAS ALSO PERFORMED AND SMELL WAS CONFIRMED TO COME FROM RH ENGINE (NO SMELL WHEN USING NO. 1 BLEED OR APU) WHICH LED MAINT TO REMOVE RH ENGINE. (TC# 20190422005)