There is a fine metal mesh / screen inside the door assembly.
If any of the holes in that screen are damaged or enlarged, then leakage is possible.
If the bubbling / deformity in the door keeps it from shutting fully and flatly, then leakage is possible.
If the bubbling / deformity in the door allows moisture to collect on or near the screen, it may lead to rust, which can damage the screen and lead to leakage.
Please feel free to contact me directly (especially if you include a few photos of the door) if you need more help.
We're happy to help and we appreciate your thoughtful rating of our answer.William E. Miller, AS-EET
[email protected]http://www.microwavedisplay.com
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