Check this explanatory website with the Pennsylvania Department of Labor & Industry
The appellate record needs to be examined because what is in the record already sets the stage for what can be done next. The answer to your question may take several hours of legal research.
You might find helpful my Legal Guide Questions to Consider Before Bringing an Appeal
Because this matter is so important you should really get a lawyer.
You might find my Legal Guide helpful "How to Choose A Lawyer For You"
You might find my Legal Guide helpful " What Do I Tell My Lawyer"
No one can know what the record is in the case because online we cannot see your documents. You need a lawyer. Check with a lawyer in your locale to discuss more of the details.
Good luck to you.
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