COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Fokker F27 Series Aeroplanes AD/F27/125 Amdt 3 Corrosion Prevention and Control 12/95 Applicability: Model F27; except Mk 050 series. Requirement: Action in accordance with the technical requirements of RLD AD 91-113/4(A). Corrosion classified as level 1 need not be reported. Level 2 corrosion may be consolidated with a sixty day report of corrective action, and submitted to the Authority District (Airport) Office under cover of a single MDR. Level 3 corrosion shall be reported by individual MDR. Note: Fokker document SE-291 Revision 3 refers. Compliance: As specified in the Requirement Document. The compliance of the previous issues of this Directive remains unchanged. This Amendment is effective from 9 November 1995. Background: The Country of Origin Airworthiness Authority requires implementation of a corrosion prevention and control program to prevent the degradation of the structural capabilities of the affected aircraft. Amendment 1 was issued to specify the reporting requirements when corrosion is found as a result of the CCP. Amendments 2 & 3 are were issued to reflect the latest revision of the CCP document.