REG NASA-LLIS-0246-1993 Lessons Learned - Lifting Equipment.pdf
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1、Lessons Learned Entry: 0246Lesson Info:a71 Lesson Number: 0246a71 Lesson Date: 1993-09-30a71 Submitting Organization: LERCa71 Submitted by: S. PapellSubject: Lifting Equipment Description of Driving Event: In the process of pulling a 30 foot long water pump weighing 3 tons out of a pit, two 3/4 inch
2、 eye bolts were screwed into the pump motor base and a cable sling attached to the eye bolts. The pump was pulled out of the pit setting one end on the ground. When starting to lay it down to a horizontal position, one of the eye bolts sheared off, dropping the pump to the ground.Lesson(s) Learned:
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