COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Transavia PL 12 Series Aeroplanes AD/PL 12/16 Amdt 1 Engine Mount Tube 2/89 Applicability: PL 12 and PL 12U with S/Nos prior to 1249 and G351. Requirement: Action in accordance with Transavia SL No. 21. Compliance: Within 100 hours time in service unless already accomplished. Background: This Amendment deletes "All models" from the "Applicability" and reflects design and manufacturing improvements to later model aircraft.