AD/CONVAIR/15 - Nose Landing Gear Aluminium Uplock Quadrant Lug (Cth)

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/15 Nose Landing Gear Aluminium 5/2006 Uplock Quadrant Lug

Applicability: Model 240, 340, and 440 aircraft, and all such aircraft converted to turbopropellor power. Requirement: 1. Accomplish the following requirements:

a. Remove the AN3-21 bolt attaching the nose landing gear uplock release cable clevis and the emergency release cylinder to the uplock assembly.

b. Inspect the part number (P/N) 240-5250109-6 nose landing gear uplock quadrant for cracks in the AN3 bolt attach lug using a 2x or stronger magnifying glass, or dye penetrant method.

c. If cracks are detected, before further flight, replace the quadrant with either a new aluminium quadrant P/N 240-5250109-6, or a steel quadrant P/N 240-5250109-9. If a new aluminium quadrant is installed, accomplish Requirements 1.a. through 1.d. at the intervals specified in Compliance 1.c.

d. Reinstall the AN3 bolt attaching release cable and emergency release cylinder and check rigging of the nose landing gear uplock installation in accordance with the applicable maintenance manual.