COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Fokker F50 (F27 Mk 50) Series Aeroplanes
AD/F50/7 Dorsal Fin Gutter 3/89 DM
F27-050 S/Nos 20103 to 20108 and 20110 to 20144.
Action in accordance with Fokker SB F50-53-003.
RLD AD 88-85 refers.
Prior to 31 March 1989.
Freezing of cable systems has occurred at high altitude. Rain, high humidity and low OAT were factors. Installation of a gutter is to prevent ingress of rainwater.