A fire broke out in the fuel purifier room of a car carrier while at sea, leading the crew to evacuate the engine room and deploy the carbon dioxide firefighting system after shutting down the fuel supply and ventilation. Although the fire was successfully extinguished, it left the vessel without power, requiring it to be towed to port for repairs. The fire was traced back to a gas oil spray caused by a detached actuator from a three-way inlet fuel valve, which allowed fuel to spray overheating and electrical equipment. The crew’s swift response was crucial in preventing more extensive damage and ensuring the safety of all onboard, reports MAIB.
About the incident
A large car carrier experienced a fire in its fuel purifier room while in transit. The crew promptly evacuated the engine room, halted ventilation, and cut off the fuel supply before deploying the carbon dioxide firefighting system.
Bulkhead temperatures were monitored until the fire was declared extinguished once they reached a safe level. As a result of the fire, the vessel lost power and required towing to port for repairs.
Subsequent inspections revealed that the fire had caused significant damage to the fuel purifier room, including purifiers, fuel booster modules, heaters, and associated electrical systems. The adjacent engine room space also suffered some damage.
The fire was traced to a gas oil spray from a detached actuator on a three-way inlet fuel valve, which allowed fuel to spray over nearby heating and electrical equipment. Loose screws on the actuator were identified as the likely cause of the detachment.
Lessons:
- Action: The crew’s effective response to the fire prevented further damage and risk to life. Their actions ensured the vessel could be safely towed to port for repairs.
- Observation: Regular vigilance during engine room inspections can prevent incidents. Even small components, like actuator screws, can have a significant impact on safety and should be checked and maintained regularly.
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Source: MAIB
