Document ID: chunk:federal_register_of_legislation:F2006B07531:body:0
Version: federal_register_of_legislation:F2006B07531
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Bell UH-1 Series Helicopters

AD/UH-1/2 Tail Rotor Slider  4/97 DM

 Applicability: All models.

            Requirement: Measure the outside diameter of the splined shaft (barrel) of the slider Part Number 204-010-720-3, or Part Number 204-010-720-003 at two points that are 90 apart on the outside circumference, at ½" to 1" from either end of the slider. Replace any slider which measures less than 1.300".

            Note: FAA AD 97-01-06 refers.

 Compliance: Within 5 hours time in service after 12 February 1997.

            Background: US Army "Breakout" spares of this item have been discovered with less than the minimum wall thickness. This Directive is to prevent a possible fatigue failure of a defective slider which would result in the loss of the tail rotor.