COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES GAF N22 and N24 Series Aeroplanes AD/GAF-N22/31 Control Wheel Gimbal Support Structure Tie Rod Attachment Plates - Inspection and Modification Applicability: All N22 and N24 series aeroplanes. Document: Nomad Alert SB ANMD-27-14. Compliance: Unless already accomplished. Part A - Before further flight. 1/80 Note: For aircraft maintained in accordance with ANO 100.5.1 Part A of this Directive shall be entered on the maintenance release as maintenance required. The inspection may be performed by the pilot in command, in which certification is not required. In all other cases certification may be made on the maintenance release. This inspection may also be performed and certified by any Licensed Aircraft Maintenance Engineer. Part B - Before further flight if any obstruction to controls experienced during inspection as per Part A. Otherwise not later than 100 hours time in service after 4 December 1979. Background: Insufficient clearance may exist between the control wheel retaining bolt and control wheel gimbal bearings support brace.