AC Unit Was Stolen After Contract Was Ratified

[RJ M]

I have a contract on a property that I went to view out of state. When I looked at the property there was an AC unit. Per my lender's request, I ordered a BPO over the weekend, and I got my report which stated that the AC unit was missing and had pics to prove it.
It was starting to be a headache trying to get the house funded anyway because the equity spread was not large enough to purchase and do repairs.
Can I use the stolen AC unit as grounds to back out of the contract?