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MIA91IA032

1990-11-26 · ST. THOMAS · None · 1 aircraft · Status: Completed

Airport STT

N971NA has since been reassigned. It is now registered to a different aircraft (DJI AGRAS T100), which was not involved in this event.

Aircraft involved

Probable cause & findings

THE FAILURE OF THE LEFT MAIN LANDING GEAR SIDE BRACE LOWER ARM DUE TO FATIGUE RESULTING FROM CORROSION FORMATION, WHICH RESULTED FROM IMPROPER DESIGN TO PREVENT CORROSION FORMATION.

Factual narrative

LEFT MAIN LANDING GEAR COLLAPSED DURING TAXI FROM LANDING. LEFT MAIN LANDING GEAR SIDE BRACE LOWER ARM HAD SEPARATED DUE TO FATIGUE IN THE AREA WHERE A BEARING IS MOUNTED. THE FATIGUE CRACK ORIGINATED IN AN AREA OF CORROSION DAMAGE ON THE LOWER ARM OUTSIDE OF THE BEARING RACE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_MIA91IA032.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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