COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propellers - Variable Pitch - Dowty Rotol
AD/PR/23 Feathering Springs - Operational Inspection 12/83
Propeller Aircraft R306/3-82-F/7 Gulfstream Aerospace Commander 690C, 690D, 695 and 695A R321/4-82-F/8 Fairchild Aircraft SA-227AC (Metro III) R321/4-82- F/9 Fairchild Aircraft SA-227AT (Merlin IVC) R324/4-82-F/9 Fairchild Aircraft SA- 227TT (Merlin IIIC) R333/4-82-F/12 Jetstream 31 R334/4-82-F/13 CASA 212.
Carry out a ground feathering check in accordance with Dowty Rotol Service bulletin 61-A995.
On fitment to the Aircraft prior to its first flight.
For those propellers already installed, no later than 14 January 1984.
In order to check that no undetected assembly failure exists, the manufacturer has deemed it necessary to carry out a once only feathering check.