Accident & Trouble Cause Investigation
01Fire Accidents & Explosion Accidents
Fire cause investigation
- Smoldering during biomass storage
- Explosion accidents during product manufacturing
- Smoke generation during cargo transportation
- House fires
etc.

02Fuel & Engine Trouble
Investigation of fuel abnormalities and engine trouble causes
- Engine stoppage after refueling
- Sludge in ship fuel
- Fuel filter clogging
- Foreign matter adhesion to engine parts
etc.

03Paint Scattering Accidents
Identification and comparison of scattered matter and paint
Accidents involving paint scattering and adhesion to nearby houses and vehicles at painting sites.
etc.

04Collision & Contact Accidents
Identification and comparison of paint adhered to contact areas
- Vessel-to-vessel contact
- Vessel-to-fishing net contact
- Vessel-to-quay structure contact
- Vehicle-to-vehicle accidents
- Vehicle-to-bicycle contact
etc.

05Corrosion Trouble
Corrosion cause investigation
- Corrosion unlikely to be due to aging deterioration
- Abnormal corrosion
etc.

06Damage Accidents
Damage cause investigation
- Damage and breakage of metal parts and metal materials
- Plastic material damage
- Plastic film tears
- Glass breakage
etc.

07Discoloration Accidents
- Chemical product coloring
- Fuel discoloration
etc.

Scientific Investigation and Expert Opinion Reports
Through scientific investigation, we clarify the root causes of issues. Our analysis results, provided by a neutral third-party organization (a general incorporated association), are presented in a clear and understandable manner, helping clients resolve problems quickly and effectively.
By scientifically identifying the causes of incidents—whether for complaint handling, insurance claims, or loss prevention—we aim to provide logical, evidence-based solutions.
Expert Opinion Report Contents
- Scientific opinions on accidents
- Comment reports from scientific perspectives on other companies’ analysis results, etc.
If you’re unsure whether your case falls within our scope—or if you’re not sure how to interpret the issue—
please feel free to consult with us.
We will propose how NKKK can assist you.
