05000338/LER-1980-076-03, /03L-0:on 800820 W/Unit in Mode 1,discovered That Casing Cooling Pump 1-RS-P-3A Test Had Not Met Acceptance Criteria.Caused by Personnel Failure to Notice That Differential Pressure Was Above Acceptable Limits

/03L-0:on 800820 W/Unit in Mode 1,discovered That Casing Cooling Pump 1-RS-P-3A Test Had Not Met Acceptance Criteria.Caused by Personnel Failure to Notice That Differential Pressure Was Above Acceptable Limits

ML19338D339
Person / Time
Site:	North Anna
Issue date:	09/16/1980
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19338D338	List: 05000338/LER-1980-076, Forwards LER 80-076/03L-0 05000338/LER-1980-076-03, /03L-0:on 800820 W/Unit in Mode 1,discovered That Casing Cooling Pump 1-RS-P-3A Test Had Not Met Acceptance Criteria.Caused by Personnel Failure to Notice That Differential Pressure Was Above Acceptable Limits
References
LER-80-076-03L, LER-80-76-3L, NUDOCS 8009220373
Download: ML19338D339 (2)

LER-1980-076, /03L-0:on 800820 W/Unit in Mode 1,discovered That Casing Cooling Pump 1-RS-P-3A Test Had Not Met Acceptance Criteria.Caused by Personnel Failure to Notice That Differential Pressure Was Above Acceptable Limits

Event date:
Report date:
3381980076R03 - NRC Website

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Virg' inia Electric and Power Company North Anna Power Station, Unit 1 Attachment: Page 1 of 1 t

Docket No.,50-338 Report-No.-LER 80-076/03L-0 Description of' Event t

[(h1 August 20, 1980, with the unit in mode 1, it was discovered that-the monthly surveillance test for casing cooling pump 1-RS-P-3A had not met Acceptance Criteria on. August 13, 1980, seven days after it was

~ performed. This. event is'a loss of administration control and is report-able pursuant to-T.S. 6.9.1.9.c.

Probable Consequences of Occurrence-

- Since casing cooling pump 1-RS-P-3B was operable and the applicable surveillance test was satisfactory, the health and safety of the general public were not affected.

Cause of Event

Personnel-involved in the performance and review of the' surveillance test failed to notice that'the pump differential pressure was above acceptable limits.

Immediate Corrective Action

Immediate upon discovery of the unacceptably high pump differential pressure, the test was reperformed and the results were satisfactory.

i Scheduled ~Correcti'.e Action

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Due to the failure of the surveillance test, test frequency for casing cooling pump 1-RS-P-3A will be ~ doubled as per the instructions in ASME Section XI,-subsection IWP.

Actions Taken to Prevent Recurrence Personnel involved in the performance and review of surveillance tests have been informe/ to be aware that a more complete review of surveillance tests is required.

Generic-Implications There are no generic implications.

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