Hi kinma, afraid not, no vent cover above the galley. To be honest, I forget which way that vent swings open but logic says it is hinged on the tongue side and opens up on the bumper side, matching the direction of the cover. If it doesn't open, there's a couple issues here.
First, the installer obviously didn't try opening the vent to ensure clearance! Secondly, need to figure out what is preventing it from opening. It would seem one or more edges of the cover is blocking the vent and needs to be adjusted. It may be that if the cover is butt against the hinge end, the vent is blocked by the cover and doesn't have enough clearance to open.
I suppose it's possible that the knob mechanism used to open and close the vent might have become disconnected.
Does the knob turn at all or is it stuck? If the knob free wheels, then I'd suspect a lift problem. If it doesn't turn acting like it is stuck, then check cover alignment. All guesses, but something to try :-)
Since you paid for installation, I'd have them finish what they started and have them make it right.
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