COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
SIAI Marchetti 260 Series Aeroplanes
AD/SM-260/17 Aileron Balance Weight Security 12/87 DM
Applicability: All models F260, F260B, F260C, and F260D up to S/No 749 Requirement: Action in accordance with SIAI Marchetti SB 260-B52.
Compliance: Within 10 hours time in service after 23 September 1987 and thereafter every 50 hours time in service.
Background: There has been a case of lost and loose screws that secure the aileron balance weight. Loss of the balance weight will affect the flutter characteristics of the aileron control system.