NREPLACEMENT Airframe 648.8 Hrs 225 CI_ 22 Jul 2009 NOT APPLICABLE AFFECTED EQUIPMENT NOT FITTED [05 Aug 2010 Initial Date Req.) AD 2009.21.10 Avox Systems and BiE Aerospace 992903 Oxygen Cylinder Assemblies Airframe 0.0 Hrs 0 CI_ 17 Dec 2009 AD 2009.21.10 RI Avox Systems and BE Aerospace 992904