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That was my doubt, however with IRCC in play, everything is possible.
The only realistic scenario would be re-submitted application to address a concern.
First application rejected with a specific concern when everything has been passed -> they submit a new application addressing this concern -> after AOR (50-55 days) the application is transferred to the same officer for the final decision.

It also checks out with the fact there's no medical exam or other dates specified.
 
The only realistic scenario would be re-submitted application to address a concern.
First application rejected with a specific concern when everything has been passed -> they submit a new application addressing this concern -> after AOR (50-55 days) the application is transferred to the same officer for the final decision.

It also checks out with the fact there's no medical exam or other dates specified.
Even if they resubmit the application, the process is starting again. FDs are based on the AOR dates it seems. Never know!