SXM St Maarten West Jet gear collapse 9/7/2025
- Thread starter PaulS
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Larry in TN
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From my understanding of the problem, it would not be something that maintenance inspections could catch.
The trunnion pin wears and is periodically removed and sent out to a shop to be overhauled. In past instances, it was over-working by the overhaul shop that induced the flaw which led to the failure.
No. ASA261 was an MD80 which had a jack screw failure.
ASA1288 at SNA. https://asn.flightsafety.org/wikibase/344784
Probable Cause: Maintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during machining, which imparted heat damage to the base metal and led to the fatigue cracking that caused the pin to fracture during landing.