681ft containership Maunalei lost propulsion due to a cracked propeller blade not meeting design specs, causing $3m in damages.
681ft containership Maunalei lost propulsion and hydraulic oil on its voyage from Alaska to Oregon due to a cracked propeller blade not meeting manufacturer design specs. The NTSB report cited high-stress concentrations and large load variations causing the incident, resulting in $3m in damages. The blade manufacturer revised internal radius requirements to enhance fatigue fracture resistance.
May 21, 2024
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