Lycoming has installed replacement crankshafts in all 797 TIO-540 piston engines grounded by suspected cracking. Of a further 601 engines tested for crankshaft cracks, 417 have passed and most of the remaining 184 repaired.
Source: Flight International
US regulator the Federal Aviation Administration (FAA) will take no immediate action to address a smoke-related issue involving the CFM International Leap-1B engines that power the Boeing 737 Max.
The engine-maker says the successful demonstration involved a GE Aerospace CT7 turboshaft engine combined with internally-produced electric machine and power electronics.
GE Aerospace in 2025 plans to use two of the world’s fastest computers, both at US-government-funded research facilities, to study how its open-fan engine concept will integrate with an aircraft’s wings and other structures.
