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Home NRC Library Document Collections Events, Reports Associated with Part 21 Reports 1999

Part 21 Report - 1999-440

ACCESSION #: 9908090058

10CFR21 Substantial Safety Hazard Evaluation Interim Report

R. E. GINNA NUCLEAR POWER PLANT

1.	DISCOVERY DATE: 6/18/99
2.	DESCRIPTION OF DEFICIENCY:
	A safety related DB-25 Breaker Mechanism, procured from Westinghouse, did not pass degradation checks when drawn from stock to be installed into Bus15/03A. The Breaker Mechanism has holes drilled that do not line-up, causing the pin above the toggle lever to be out of alignment. Also, the right rear quarter section of the tripper pan is bent upward, giving us unsatisfactory tripper bar gaps.
3.	REFERENCES:
	Rochester Gas & Electric Purchase Order NQ-15795-A-JW
4.	DATE WHEN EVALUATION WILL BE COMPLETED:
	A purchase requisition has been sent to Westinghouse for a failure mode assessment. It is estimated that the evaluation will be completed by December 1, 1999.
Prepared By:
	Engineer	Date
Reviewed By:
	Engineering Manager or designee	Date:
Approved By:
	PORC Chairman	Date:

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