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During an inspection prior to the departure from Guam on Leg 61 of the Deep Sea Drilling Project, a crack was discovered on the main propeller shaft of the D/V Glomar Challenger (ship). The shaft was grounded out and was replaced during the ships next scheduled maintenance dry dock session. 1978.

During an inspection prior to the departure from Guam on Leg 61 of the Deep Sea Drilling Project, a crack was discovered o...