Second Department held mortgage lender made out a prima facie case for summary judgment by presentment of certified recorded chain of title inclusive of disputed power of attorney with had not been revoked of record, despite the filing of lis pendens by petitoiner prior to the recording of the mortgage. Mortgagee claimed the prior lis pendens was invlaid as it was not supported by a petition seeking possession or an interest in the property, and becasue the amended petition which did seek an interest in the property, was not served within 30 days of the lis pendens as require by the CPLR.