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… by a rapidly propagating fatigue crack such as occurred at NorthAnna Unit 1 on July 15, 1987. Description of Circumstances: … 15, 1987, a steam generator tube rupture event occurred at NorthAnna Unit 1 shortly after the unit reached 100% power. …
… holders of OLs and CPs of events that occurred at the NorthAnna nuclear power facility that could be of safety … Description of Circumstances: On June 6, 1983, the NorthAnna Unit 2 plant was being returned to full power …
… Virginia. Applicant response NRC Acceptance Letter 11/20/07 NorthAnna and Grand Gulf, audit of the NorthAnna and Grand Gulf combined license application …
… River 3, E.I. Hatch Plant, Duane Arnold Energy Center 1, NorthAnna 1&2, Farley 1&2, Fermi 2, and Limerick 1&2. If … distributor cams at nuclear plants have cracked; two at NorthAnna and one at Arkansas Nuclear One. The two cracked …
… GM ELECTROMOTIVE ENGINE SYSTEMS, INC. (ESI) Rocky Mount, North Carolina Dockets: License No: Notification: MR Number: … pre-installation testing of Allen-Bradley 700RTC relays at NorthAnna. The 700RTC relays are solid state timing relays, used …
… Additional information concerning Beaver Valley Unit 2 and NorthAnna 3 and 4 has also shown cases of flued head piping … purposes disclosed the unacceptable indications at NorthAnna 3 and 4. Specification deficiencies have also …