A Jazz Air Canadair CRJ-900, registration C-FUJZ performing flight QK-7132 from Toronto,ON to Halifax,NS (Canada), was climbing through FL360 out of Toronto in US Airspace when the crew stopped the climb and descended to FL230 declaring emergency with US ATC reporting pressurization issues. The aircraft continued to Halifax at FL230 and landed safely about 100 minutes later.
The occurrence aircraft is still on the ground in Halifax 4 days later.