MD-11 d'UPS qui perd un moteur : analyses des nouvelles données !

20 May 2026 · 15 min
15:13

In this French‑language YouTube analysis, Aldo Sterone reviews newly released NTSB surveillance video of the UPS Flight 2966 MD‑11F crash on 4 November 2025 at Louisville, Kentucky. He walks through the take‑off sequence, showing that the left engine separates while still producing thrust, climbs upward, and continues to generate power for a few seconds before detaching completely, igniting a fire that damages the opposite engine. Sterone proposes a mechanical‑failure hypothesis centred on a fractured cylindrical bearing/pin inside the engine‑pylon attachment: the bearing, forced into its housing by cryogenic contraction, can split into two halves, losing the intended flexibility and creating excessive internal forces that ultimately cause the pylon “ear” to fail. He notes that similar bearing‑failure reports have been filed repeatedly since 2002, communicated to the FAA and Boeing, but were allegedly down‑played. The video draws a direct parallel to the 1979 American Airlines Flight 191 DC‑10 accident, where an identical engine‑separation mechanism led to a catastrophic crash. Sterone criticises Boeing and the FAA for static reasoning that underestimated the hazard, and promises to revisit the topic once the final NTSB report is published.

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