AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 1998.  The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Kelowna Flightcraft (General Dynamics/Convair) Series Aeroplanes


AD/CONVAIR/19

NLG Actuating Cylinder Rod End Eyebolt

5/2006
 
Applicability:
Model 340 and 440 aircraft, and all such model aircraft converted to turbopropeller power.
Requirement:
1.    If the nose landing gear actuating cylinder rod end eyebolt, Peacock part number C50137-2, has not been modified in accordance with Convair Service Engineering Report No. 6820-240-23/340-45/440-45, dated 24 August 1962; inspect the unmodified eyebolt, where the threaded area is machined for the relief radius, by a dye penetrant method. 2.    If the nose landing gear actuating cylinder rod end eyebolt, Peacock part number C50137-2, has been modified in accordance with Convair Service Engineering Report No. 6820-240-23/340-45/440-45, dated 24 August 1962; inspect the eyebolt, where the threaded area is machined for the relief radius, by a dye penetrant method. If cracking of an eyebolt is detected during any inspection, before further flight, replace with a serviceable eyebolt of the same part number; and continue the repetitive inspections. If unmodified eyebolts are used as replacement bolts, the Requirement 1 inspection periods are applicable. Note:  FAA AD 63-15-04 Amdt 584 Part 507 refers.
Compliance:
1.    Unless the initial inspection is already accomplished; within 225 hours time in service after 11 May 2006, unless accomplished within the last 775 hours time in service.  Inspect thereafter at intervals not to exceed 1,000 hours time in service. 2.    Unless the initial inspection is already accomplished; within 1,000 hours time in service after 11 May 2006, unless accomplished within the last 4,500 hours time in service.  Inspect thereafter at intervals not to exceed 5,500 hours time in service.
 
This Airworthiness Directive becomes effective on 11 May 2006.
     
Background:
The FAA received reports of cracks in certain nose landing gear actuating cylinder rod end eyebolts.
David Villiers
Delegate of the Civil Aviation Safety Authority 31 March 2006