Morning Report for July 20, 1999
Headquarters Daily Report JULY 20, 1999 *************************************************************************** REPORT NEGATIVE NO INPUT ATTACHED INPUT RECEIVED RECEIVED HEADQUARTERS X REGION I X REGION II X REGION III X REGION IV X PRIORITY ATTENTION REQUIRED MORNING REPORT - REGION I JULY 20, 1999 Licensee/Facility: Notification: Duquesne Light Co. MR Number: 1-99-0023 Beaver Valley 2 Date: 07/20/99 Shippingport,Pennsylvania SRI/PC Dockets: 50-412 PWR/W-3-LP Subject: BEAVER VALLEY UNIT 2 FORCED OUTAGE - UPDATE Reportable Event Number: 35930 Discussion: On July 20, 1999, Region I dispatched a team of inspectors to the Beaver Valley Unit 2 plant to perform a special inspection of the events surrounding the loss of an emergency bus on July 16, 1999. The loss of the emergency bus resulted in the loss of reactor coolant pump seal injection flow and the loss of reactor coolant pump thermal barrier cooling flow to two of the pumps for about 3 minutes. The special inspection team will review the circumstances concerning the loss of the emergency bus, and the actions taken by the operators. The team will also evaluate other equipment problems which occurred prior to, during, and after the loss of the emergency bus, and during the subsequent plant shutdown. Regional Action: The resident inspectors are on site monitoring licensee activities. Contact: N. Perry (610)337-5225 D. Kern (724)643-2000 _
Page Last Reviewed/Updated Wednesday, March 24, 2021
Page Last Reviewed/Updated Wednesday, March 24, 2021