Why my VOICELIVE 3 EXTREME repair take so long?

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I have sent my VOICELIVE 3 EXTREME device to Thermal Relief Design for repairment at the beginning of March (2022) after music tribe sent me the instruction and case number for repairment. But now, the repairment has not been done. I sent couple of email to TRD, they replied that they are waiting for the part. Anyone has experienced the similar issue? What is the solution for me? Wait? I have already waited for almost 3 months.