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Forwards Insp Rept 50-247/88-24 on 880623-0708.Concerns noted re implied nondetectable single failure mode appeared to have been installed in MSIV actuation sys circuit during mod in 1982.Enforcement conference scheduled for 880804.

Accession Number: ML100191917

Date Released: Thursday, October 24, 2024

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• ML100191916 - Forwards Insp Rept 50-247/88-24 on 880623-0708.Concerns noted re implied nondetectable single failure mode appeared to have been installed in MSIV actuation sys circuit during mod in 1982.Enforcement conference scheduled for 880804. (2 page(s), 7/22/1988)
• ML100191918 - Insp Rept 50-247/88-24 on 880623-0708.Problems noted.Major areas inspected:circumstances & licensee response to automatic opening of four MSIVs during surveillance testing on 880623. (15 page(s), 7/21/1988)