Using the correct bolts is essential!

Recently, a 738-foot bulk carrier ran aground while outbound on the Columbia River. The grounding resulted in limited damage to the vessel and no pollution or loss of cargo. This casualty occurred primarily because of cracks on the cooling jacket of a two-stroke crosshead design Mitsui MAN B&W MC-C engine.

Please click here to download the full report»

 
Properly secured cooling jacket bolt (left) vs. example of fracture (right)

This safety alert is provided for informational purpose only and does not relieve any domestic of international safety, operational, or material requirements. Developed by the Investigations Division of Marine Safety Unit Portland, Oregon and the Coast Guard Headquarters Office of Investigations and Casualty Analysis. Questions or comments may be sent to HQS-PF-fldr-CG-INV@uscg.mil 

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Member Alert is published by The Swedish Club as a service to members. While the information is believed correct, the Club cannot assume responsibility for completeness or accuracy.