December 10 - No 669 broke down near Mallorytown and had no power. (No 669's equipment arrived in Montreal as No 62 in the morning, departing Toronto 2 hours late, swapped from Set 6 to Set 14 in Toronto, then continuing back west as 669. No 48 (Set 7/25) pushed disabled 669 to Brockville. At first they couldn’t couple 48 to 669 so that caused a delay. After 48 and 669 got to Brockville, they could not get them uncoupled. Passengers from dead 669 got on 54's equipment on adjacent track. Passengers from 48 squeezed onto 54. Engineers had to be swapped out due to length of shift and replacements had to travel to Brockville. Mechanics sent to uncouple 48 from 669. No 669 arrived in Toronto 8 hours late. Buses sent from Montreal to take passengers to Ottawa. No 48 still had not arrived in Ottawa by noon December 11 having spent the night in Brockville (Set 7/25 still there at 1100 Dec.11 and the ETA for passengers was Ottawa noon - 13 hours, likely aboard No 50! Passengers were allowed to find their own means at Brockville. December 11: No 641 running 5 hours late; No 41 4 hours late, J-trained. Exceptional service recovery for 669's passengers, due to loss of HEP for a significant duration: full refund and 100% travel credit.