COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes
AD/TB20/8 Aileron Balance Weight Attachment 5/87
All TB20 with S/Nos 275 to 700 except S/No 343, 638, 639, 643, 644, 645, 653, 664,
665, 672, 673, 683, 691, 693, 697, 698.
Action in accordance with Socata TB SB No 28.
At the next scheduled inspection for Maintenance Release issue after 7 May 1987 and thereafter at each scheduled inspection for Maintenance Release issue until modified.
The manufacturer reports instances of loosening of balance weights and skin cracking in the balance weight attachment area.