FAA Orders Action on 957 Lycoming Engines Over Microcracked Piston Pins
The FAA has issued an emergency airworthiness directive covering 957 Lycoming engines because of microcracked piston pins. The directive indicates a potentially significant aviation safety defect requiring operational or maintenance action.
By DoomRadar · Published on DoomRadar .
Why it matters
Affected aircraft may face grounding, inspections or component replacement, disrupting operations and reducing flight safety margins.
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- FAA Issues Emergency Airworthiness Directive for 957 Lycoming Engines Over Microcracked Piston Pins ↗techtimes.com · Recorded source date: Aug 29, 2026, 6:47 PM UTC
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