4) Amendment 25-113 Appendix F Pan I (a)(3) which is DER approved by Gary Palmer, DERV-605430-CE on FAA 8110-3 form dated 08/28/2009 . Installed an Aircell Satellite Interface Unit (Stu) to interface the existing SATCOM System in accordance with Structural Drawing List CE520000082, Rev.- - Structural 8110-3 Drw. List GV-SP S/N