Moderator, Air Canada; FlyerTalk Evangelist
Join Date: Feb 2015
Location: YYC
Programs: AC SE MM, FB Plat, WS Plat, BA Silver, Marriott Plat, Hilton Gold, Accor Gold
Posts: 18,942
This is a strange one. Doesn't show up on the website for me, or in the app. The EF inventory doesn't look unusual (J9 C9 D8 Z6 P5 R2 Y9 B9 M9 U9 H9 Q9 V9 W9 G9 S9 T9 L9 A9 K0), and I can IKK a seat in Y or J via the Aeroplan app.
OP, calling in to AC may be your best option.