EASA Regulations for Bell Textron Canada 206L-4

1 airworthiness directives and regulations affecting Bell Textron Canada 206L-4.

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New ADs and bulletins for Bell Textron Canada 206L-4, summarized like the ones below, every Monday.

EASA AD US-2021-24-15

Dec 16, 2021

Tail Rotor Drive - Oil Cooler Blower Shaft Drive Ring Spline Teeth and Mating Area Spline Teeth - Inspection

Federal Register Volume 86, Number 237, Final Rule FAA Airworthiness Directive 2021-24-15 addresses Bell Textron Canada Limited Model 206L-1, 206L-3, and 206L-4 helicopters equipped with certain Air Comm Corporation air conditioning systems. This directive mandates inspection of the oil cooler blower shaft's drive ring spline teeth and mating spline teeth for deformation and fretting. It targets helicopters with specific Supplemental Type Certificate (STC) air conditioning system part numbers installed.

Airworthiness Directive
  • Air Comm Corporation CAA UK AAN 25273
  • Bell 206
  • Bell Textron Canada 206L-1
  • Bell Textron Canada 206L-3
  • Bell Textron Canada 206L-4