COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes
AD/CESSNA 170/24
Amdt 2
Applicability: All models.
Aileron Mass Balance Weight Attachment Rivets
12/85
Requirement: Inspect the rivets attaching the lower aileron skin to the balance weight for corrosion.
Where corrosion is suspected under the rivet heads, attempts should be made to remove the rivet heads by a light sharp blow with a screwdriver. All damaged or corroded rivets must be replaced.
Compliance: Within 100 hours time in service after 29 September 1971 and thereafter at each issue of a new Maintenance Release.
Background: This amendment revises the compliance requirement to coincide with varying periodic inspection intervals.