COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Robinson R22 Series Helicopters
AD/R22/22 Gascolator Fuel Filter - Inspection 10/84
Applicability: All R22 helicopters with less than 100 flying hours since new and R22A model.
Requirement: Remove filter screen from the gascolator PN A666-1 and inspect for excessive contamination. Clean the filter screen and bowl and reinstall in accordance with the maintenance manual.
Note: If excessive or unusual contamination is found advise the nearest Regional Office of the Department of Aviation.
Compliance: Within 10 hours time in service after 16 August 1984.
Background: Several low hours R22 series helicopters have had excessive contamination of the fuel gascolator filter screen. It is considered that the particles probably entered the system during manufacture or assembly.