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Stabbing Board Incident
The air winch chain broke, the fail safe device did not function and the stabbing board slid down and rested on the rail stop at the bottom of the rail. The chain struck the derrick man on his left small finger, causing hairline fracture.
Function test the fail safe prior to use of stabbing board Function test the fail safe at regular intervals as part of rig inspection / maintenance schedules
The fail safe device did not function, as its setting was wrong

Category:Safety AlertsDocument Type:Safety
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