The FAA has signed off on an alternative method of compliance (AMOC) for a controversial airworthiness directive that could have grounded several hundred airplanes with Superior Air Parts aftermarket cylinders.
FAA Eases Impact of Superior Cylinder AD
Key Takeaways:
- The FAA has approved an Alternative Method of Compliance (AMOC) for a controversial Airworthiness Directive (AD) that previously threatened to ground over 1,000 aircraft with Superior Air Parts Millennium Cylinders.
- The original AD mandated replacement of these cylinders after 12 years of service, but the new AMOC allows owners to comply through ongoing, rigorous inspections instead.
- Aircraft with cylinders over 12 years old (but before their Time Between Overhaul) must now undergo visual, compression, leak, and borescope inspections every 50 flight hours or annually.
- Cylinders that pass these tests can continue flying until reaching their hourly TBO or a new mandated 17-year time-in-service limit.
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