Investigation Report
Crane Boom Damaged During Pre-Use Inspection
08-18-2021 13:00 00175 GI 43 Crane - Incident >$25K
- BSEE
- Investigation Report
- Unknown
- Human factorsMechanical failure
- Inspection and maintenance
- CraneValve
- Functional testingPre-use checks
Read at BSEEOpens the document on bsee.gov
Summary
Investigates crane boom damage during a pre-use inspection at Grand Isle 43 AC-CMP. A misaligned high-angle kickout valve failed to activate, allowing the boom to strike its stop at high throttle and bend backwards. The report identifies equipment failure and operator inattention; no injuries occurred.
Classifications: Human factors; human performance; ergonomics.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Crane; cranes.
Classifications: Valve; valves.
Classifications: Functional testing; function test.
Classifications: Pre-use checks; pre-use inspection.