NTSB raises serious concerns over LEAP-1B engines on Boeing 737 MAX jets
Aerotime
JUNE 19, 2025
On June 18, 2025, the NTSB issued an urgent safety recommendation over fears that smoke could enter the cockpit or cabin of aircraft equipped with LEAP-1B engines. It added: “Such a condition can allow smoke from hot oil to enter the ventilation system and ultimately the cockpit or passenger cabin.”
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