The phrase "are probably facing" is correct and usable in written English.
It can be used to express a likelihood or assumption about a situation that someone or a group is currently experiencing.
Example: "Many businesses are probably facing challenges due to the recent economic downturn."
Alternatives: "are likely encountering" or "might be dealing with".
Other manufacturers and retailers are probably facing similar issues.
"We are probably facing a hot war," Lithuania's President Dalia Grybauskaitė told the conference.
And desperately anxious jobless people with families and mortgages are probably facing stress of a sort unknown to most teachers.
The Air France chief executive, Pierre-Henri Gourgeon, told a news conference: "We are probably facing an air catastrophe".
By comparison, American banks are probably facing an additional $1 trillion in losses over the next two years, the International Monetary Fundprojects.
"If you put all those retaliations together and add in the terrorism of recent years, we are probably facing some multiple of that," a retired official said, speaking on the condition of anonymity, citing an internal study.
We're probably facing the worst slump since the Great Depression.
Caborn said: "Community sport is probably facing one of the bleakest periods it has had for some time.
Think about how your parents spoke to you when you were in trouble… Their palms were probably facing downwards as they ordered you to "Go think about what you did!" They may have shaken a finger at you and pointed to a mess you made, all while their hands faced down.
So whereas Romney was able to dispose of Gingrich pretty easily during the brief window where the race seemed to be down to a two-man race between them, if he gets into a two-man race with Santorum he's probably facing a much longer and more grueling contest.
We're probably facing a combination of both.
