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/TB20/11 Hydraulic Brake Line Clearance 11/87
All model TB20 and TB21 up to S/No 755 inclusive, except S/Nos 630, 631, 634, 636, 643, 648, 649, 656, 657, 658, 659, 661, 662, 663, 664, 750, 751, 752 and 753.
Action in accordance with Aerospatiale Socata SB No 33.
Bureau Veritas AD 87-118(A) refers.
Within 100 hours time in service or at the next scheduled inspection for maintenance release issue after 30 October 1987 whichever is the earlier.
The manufacturer has reported instances of the cockpit hydraulic brake lines being damaged by the aileron and rudder control rods.