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RO:on 970422,unit 2 was shutdown due to leak in RCS.Caused by crack in weld for pipe to safe-end connection at RCS nozzle for HPI sys A1 injection line.JCO submitted for units 1 & 3 on 970428.Addl info encl to support unit 2 operation.

Accession Number: ML15118A498

Date Released: Monday, June 1, 2015

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• ML15118A497 - RO:on 970422,unit 2 was shutdown due to leak in RCS.Caused by crack in weld for pipe to safe-end connection at RCS nozzle for HPI sys A1 injection line.JCO submitted for units 1 & 3 on 970428.Addl info encl to support unit 2 operation. (31 page(s), 5/8/1997)
• ML15118A499 - "Revised HPI Nozzle Usage Factor." (63 page(s), 10/8/1982)
• ML15118A500 - "Class 1 Fatigue Reconciliation for HPI Nozzle." (46 page(s), 4/1/1997)
• ML15118A501 - Design Rept 7, "Thermal Mechanical Stress Analysis of High Pressure Injection Nozzle." (174 page(s), 10/29/1973)