Mazda Repair: 05 Mazda Tribute key stuck in ignition, key stuck in ignition, mazda tribute

Question

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for the past 6 months my key has been stuck in the ignition and I have trouble getting it out. I have taken it to two different dealerships and had the tumbler replaced twice, but it did not help. I have noticed the days I do not run the air conditioning I can usually take the key out with minimal hassle. Not sure if or how the two could be connected. Any help would be appreciated.
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what yr is it?

Answer
i have no tsb's for that issue.. i do remember a couple ppl complaining about the same problem.  question, i'm sure you have more than one key, do they all bind?  are there alot of keys on the ring?  have you tried to lightly sand the key?  sometimes there's burrs that could explain that