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Forwards AEOD/E702, "Motor-Operated Valve Failure Due to Hydraulic Lockup From Excessive Grease in Spring Pack." Rept provides evidence illustrating that design change w/internal grease relief path may not be adequate to prevent lockup.

Accession Number: ML20204G235

Date Released: Wednesday, August 5, 2020

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• ML20204G231 - Forwards AEOD/E702, "Motor-Operated Valve Failure Due to Hydraulic Lockup From Excessive Grease in Spring Pack." Rept provides evidence illustrating that design change w/internal grease relief path may not be adequate to prevent lockup. (2 page(s), 3/19/1987)
• ML20204G295 - Forwards AEOD engineering evaluation rept on motor-operated valve failure due to hydraulic lockup from excessive grease in spring pack.Issuance of IE info notice to alert licensees & provide description of events recommended. (3 page(s), 3/19/1987)
• ML20204G397 - Forwards engineering evaluation rept on operational data re motor-operated valve failure due to hydraulic lockup from excessive grease in motor operator spring pack.Issuance of IE info notice to alert licensees recommended. (3 page(s), 3/19/1987)
• ML20204G465 - Engineering evaluation rept re motor-operated valve failure due to hydraulic lockup from excessive grease in spring pack. (13 page(s), 3/19/1987)