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Ack receipt of 791206 transmittal of final deficiency rept re undetectable failure in engineered safety features actuation sys.

Accession Number: ML19305B953

Date Released: Friday, November 6, 2020

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• ML19305B952 - Ack receipt of 791206 transmittal of final deficiency rept re undetectable failure in engineered safety features actuation sys. (1 page(s), 1/31/1980)
• ML19305B956 - Deficiency rept:on 791107,util informed NRC of undetectable failure in engineered safety features actuation sys. Corrective action to detect failure by testing sequence will be incorporated into plant procedures.Westinghouse ltr encl. (2 page(s), 12/6/1979)
• ML19305B959 - Discusses undetectable failure in engineered safety features actuation sys.Failure of P-4 permissive circuit in both redundant protection trains could result in failure of sys to automatically initiate protective function.Details encl. (13 page(s), 11/7/1979)