Chargeback

Last night I received an unauthorised chargeback... I have uploaded my invoice from the freight company showing item was sent to the buyers delivery address as per paypal payment, the delivery tracking details showing the date delivered, buyers name and signature, also noted customer left positive feedback stating "very quick delivery, thank you", address in paypal and ebay match. 

 

I have messaged the customer through ebay and she is yet to respond, tried to call aswell and no answer. 

 

I called paypal to see if they could unhold the funds of  $208.38, $171.39 for the sale and I assume the $36.99 is a bank charge, but they are saying they have to wait for the bank to respond which can take up to 75 days as they are disputing it on our behalf... my question is can we get the funds released straight away Or sooner with the above evidence or do we really have to wait that long for this to be resolved?