MAIB: How substandard engine parts triggered catastrophic failure

Screenshot 2026-05-06 161409

A routine sea trial in the Firth of Forth turned into a drifting emergency and engine room fire when a single weak component buried deep inside a diesel generator failed without warning. According to a Marine Accident Investigation Branch (MAIB) report.

What followed aboard the Kommandor Susan on 25 January 2025 just of Leith in Scotland was a textbook example of how invisible maintenance decisions can cascade into a full-scale marine casualty.

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