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Forwards Insp Rept 99900049/86-01 on 860210-11.Insp performed as result of failure of five safety-related check valves at San Onofre Unit 1,causing water hammer event in feedwater sys.

Accession Number: ML20195E434

Date Released: Monday, October 28, 2024

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• ML20195E430 - Forwards Insp Rept 99900049/86-01 on 860210-11.Insp performed as result of failure of five safety-related check valves at San Onofre Unit 1,causing water hammer event in feedwater sys. (2 page(s), 6/4/1986)
• ML20195E437 - Insp Rept 99900049/86-01 on 860210-11.No violations or noncompliances noted.Major areas inspected:check valve design,application & recommended location in fluid sys. (8 page(s), 6/4/1986)