COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piper PA-44 (Seminole) Series Aeroplanes AD/PA-44/8 Aileron Spar Web - Modification 3/81 Applicability: All model PA-44-180 with S/Nos. 44-7995001 to 44-8095006. Document: Piper SB No. 702. Compliance: Before 1 July 1981. Background: Reports have been received by the manufacturer of an abnormal flexing in the aileron spar web at the push-pull rod attachment.