Cause & Consequence
- Moving, flying or falling object
Incident Info Source
IADC Report 08-42
Specific Incident Equipment
220 ton swivel which was too large for the hook meaning that hook closure had to be forced.
As listed in the IADC alert.
Replace the swivel with one that fits the hook openingInspect and replace the latch lockRig Supervision were adised of the need for risk assessment.