Investigation Report
Fingers Trapped During Mud-Agitator Gearbox Repairs
10-28-2015 02:55 G26693 GB 978 Required Evacuation - LTA (> 3 days)
- BSEE
- Investigation Report
- Unknown
- Crushing and pinch pointsDropped objectsHand and finger injuriesMechanical failure
- Inspection and maintenance
- Hand toolsPersonal protective equipmentRotating machinery
- Operating and work proceduresPositive retention and reliable securingRisk assessmentStop-work authority
Summary
An investigation examines a mechanic’s finger injuries during mud-agitator gearbox repairs. The shaft and coupling separated before a safety clamp was secured, trapping his fingers. Findings address departures from the written risk assessment, unused stop-work authority and failure to update procedures despite previous unexpected shaft separations.
Classifications: Crushing and pinch points; crush hazards; pinch points.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Hand and finger injuries; finger injury; hand injury.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Hand tools; hand-held tools; handheld tools.
Classifications: Personal protective equipment; PPE; personal protection equipment.
Classifications: Rotating machinery; rotating equipment.
Classifications: Operating and work procedures.
Classifications: Positive retention and reliable securing.
Classifications: Risk assessment; hazard assessment.
Classifications: Stop-work authority; stop work; stop-work intervention.