20 Pa. C.S. § 3551
When a sum of money is charged upon real or personal property by will, inter vivos trust or decree, and has become payable, the court having jurisdiction of the estate or trust, upon petition of a party in interest and after notice to all persons liable for its payment and to the owner of the property charged, may enter a decree directing payment by the person liable, and in default of payment, may direct the fiduciary or a trustee to be appointed to sell the property charged, or so much of it as shall be necessary, upon such terms and security as the court shall direct, in which event the proceeds of the sale shall be distributed under the direction of the court as in other cases of judicial sales, to the persons legally entitled to receive them.
20 Pa.C.S. § 3551