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ANALYSIS OF ENGINE PYLON STRUCTURAL FAILURE AND ITS IMPACT ON FLIGHT SAFETY:CASE STUDY OF MD-11F (N259UP) Muchammad furqon M; Ahmad Ilham Kamal; Ferdy Sastria; Feti Fatonah; Djoko Herwanto; Desiana Putri; Dikasitama
Jurnal TNI Angkatan Udara Vol 5 No 2 (2026): Jurnal TNI Angkatan Udara Triwulan Kedua
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i2.208

Abstract

This study aims to analyze the catastrophic structural failure experienced by a UPS McDonnell Douglas MD-11F (N259UP) cargo aircraft on November 4, 2025, in Louisville, Kentucky. The investigation focused on the detachment of the number 1 engine due to engine pylon failure during takeoff. Through metallurgical analysis and a review of the NTSB investigation report, fatigue cracking in the forward mount fitting was found to be the primary cause of the engine detachment. The results revealed gaps in routine inspection methods for aging aircraft. The study concluded that transitioning to Structural Health Monitoring technology and fleet modernization are crucial risk mitigation measures for the global air cargo industry.