AC 549 went from 32,000 feet to 10,000 in a span of five minutes over Northeastern Pennsylvania.
It landed in Toronto without incident.
AC549 landed normally YYZ w/o incident due to pressurization problem w/ AC unit. Arrangements made for customers to continue to YVR asap.— Air Canada (@AirCanada) January 30, 2016
There are no reports of injuries at this time.