Originally Posted by
codfather
Pretty sure they always use the second door. Those in J turn left on entry and those in Y don't even pass through the J cabin. This is the case at all airports AC flies the A330 to AFAIK.
Believe that all of the wide bodies have the ability to connect to a dual jetway where both L1 and L2 are used - L1 for J and L2 for everyone else. Airports that have single jetways would most commonly use L2.