Investigation Report
Safety warning issued after discovery of blocked fixed CO2 fire extinguishing system pilot hoses
Safety warning issued after discovery of blocked fixed CO2 fire extinguishing system pilot hoses
- MAIB
- Investigation Report
- Hot Work and FireInspection and Maintenance
- FireMechanical failure
- Inspection and maintenance
- Gas cylinderHose
- Fire protectionFunctional testingNon-destructive testing
- Marine industry
- Vessel
Summary
This bulletin examines blocked pilot hoses discovered after Finnmaster’s engine-room fire in Hull. Incompletely bored couplings prevented gas passage, while servicing tests missed blockages and leaks. It describes radiographic examination, revised pneumatic flow testing and recommendations to rectify affected assemblies and improve purchasing and quality control.
Classifications: Fire; fire safety.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Gas cylinder; compressed gas bottle; gas cylinders.
Classifications: Hose; flexible hose.
Classifications: Fire protection; fire suppression; fire detection.
Classifications: Functional testing; function test.
Classifications: Non-destructive testing; NDT; non-destructive examination; NDE.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
Initial investigation into a fire on board the ro-ro cargo ship Finnmaster while departing Hull, England, found potential manufacturing defects with pilot system hose assemblies.
Themes: hot work and fire, inspection and maintenance.