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Hello welcome to just answer I am master tech and will be able to assist you.
the fact you added freon tells me their is a pretty sizable leak in the system if this only lasted 30 minutes.
so a shop will need to add dye to the system unless they can see the leaks right away which I think they can .
but this will have to be pressurized to pin point the leak.
unless you can look at the a/c condenser and see if it's wet from the freon/oil
or if you have a halogen leak detector then you can use it to look for the leak also.
but you may need to add some more freon to pin point it.
do you have access or own this tool ?
not until it's pressurized.
not the fact it worked the compressor is working and would not suspect a issue their.
if you look for a shop or even Honda to look at this im sure it will be safe.
cause I havea suspicion it's a a/c condenser, reason been is the unit is mounted in the front of the car and rocks debris always make contact so this would be my first area to inspect.
any word on your a/c condition.