AD/GAF-N22/27 - Rudder Tab - Modification
1AD/GAF-N22/27 - Rudder Tab - Modification
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text GAF N22 and N24 Series Aeroplanes
AD/GAF-N22/27 Rudder Tab - Modification 8/79
Applicability: All models N22 and N22B not modified in accordance with GAF SB No. NMD-27-3, Rev. 1.
Requirement: Modify in accordance with GAF SB No. NMD-27-3, Rev. 1.
Note: The speed of 180 Kts IAS should not be exceeded on aircraft not yet modified.
Compliance: Before 1 December 1979.
Background: Manufacturer’s tests indicate that wear and backlash which may develop in the rudder tab system during normal service may erode the tab/rudder flutter speed margins.