COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
DHA-3 (Drover) Series Aeroplanes
AD/DHA-3/6 Fuel Filter - Modification 9/53
Applicability: All models.
Requirement: 1. Remove the two existing main fuel filters (DH. P/N P3/341A) and recouple the fuel lines at these points.
2. Install an approved type of fuel filter in each engine nacelle in the fuel line between the firewall and the engine driven fuel pumps.
3. The following types of fuel filter are approved for the application referred to in this Order:
(a) AGS.600; and
(b) American AC Type C-1A.
(Types other than those specified in this paragraph may be approved on application.) or
4. ANO 105.1.14.14.5.7.
Compliance: Forthwith.