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FAA Finalizes Controversial ECi Cylinder AD

The AD will apply to some 6,200 Continental engines, including -550 engines with ECi cylinders. Wikimedia Commons/Ahunt
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Key Takeaways:

  • The FAA has issued a controversial Airworthiness Directive (AD) requiring the removal of ECi cylinders from approximately 6,200 Continental engines due to 82 reported failures, including two fatal accidents.
  • Effective September 15, the AD imposes an average compliance cost of $11,520 per engine and outlines staggered removal schedules based on the cylinders' operating hours.
  • AOPA strongly opposes the AD, arguing that the cited data does not justify the high cost and burden on aircraft owners, and that cylinders should be permitted to fly to their manufacturer's recommended time between overhauls.
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The FAA has published a controversial airworthiness directive requiring the removal of Engine Components International (ECi) cylinders in some 6,200 Continental engines. The average cost to comply with AD, the FAA says, will be $11,520 per engine. The AD goes into effect on September 15.

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