05000366/LER-1981-063-03, /03L-0:on 810625,following Maint on Clogged Motor Cooling Water Line,Rhr Svc Water Pump 2E11-C001A Failed to Meet Acceptance Criteria for Operability.Caused by Debris Obstructing Flow.Preventative Maint Performed

/03L-0:on 810625,following Maint on Clogged Motor Cooling Water Line,Rhr Svc Water Pump 2E11-C001A Failed to Meet Acceptance Criteria for Operability.Caused by Debris Obstructing Flow.Preventative Maint Performed

ML20009E448
Person / Time
Site:	Hatch
Issue date:	07/17/1981
From:	Coggin C GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009E444	List: 05000366/LER-1981-063, Forwards LER 81-063/03L-0 05000366/LER-1981-063-03, /03L-0:on 810625,following Maint on Clogged Motor Cooling Water Line,Rhr Svc Water Pump 2E11-C001A Failed to Meet Acceptance Criteria for Operability.Caused by Debris Obstructing Flow.Preventative Maint Performed
References
LER-81-063-03L, LER-81-63-3L, NUDOCS 8107280216
Download: ML20009E448 (2)

LER-1981-063, /03L-0:on 810625,following Maint on Clogged Motor Cooling Water Line,Rhr Svc Water Pump 2E11-C001A Failed to Meet Acceptance Criteria for Operability.Caused by Debris Obstructing Flow.Preventative Maint Performed

Event date:
Report date:
3661981063R03 - NRC Website

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LICENSEE EVENT REPORT e.

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60 61 DOCKET NUMBER 68 69 EVENT O ATE 74 75 REPORT DATE 80 EVENT oESCRIPTioN AND PROBABLE CONSEQUENCES h

10121 10 n 7-25-81, following maintenance on cloqqed motor cooling water line 1

lO i3 t lRHR service water pump 2E11-C001A f ailed to meet acceptance criteria for t 10141looerability.

An LC0 was declared Der Unit 2 Tech Specs.

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loIsllaction A.I.

A similar event was reported by LER 50-366/1980-085.

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36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 11 1011 The oumo was aemoved and disassembled for inspection.

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Preventive maintenance was per-1 13 :21I formed and the operability test conducteu with satisfactory results.

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50-366/1981-063 Licensee:

Georgia Power Company Facility Name:

Edwin I. Hatch Docket #:

50-366 8

Narrative

Report for LER 50-366/1981-063 On 6-25-81, following maint "ance on clogged motor cooling water line RHR service water pump E11-C001A was tested for operability.

The pump f ailed to meet acceptance criteria for flow and discharge pressure.

Tech Specs section 3.7.1.1.A requires that all pumps in each subsystem-be operable.

An LCO was declared per Unit 2 Tech Specs 3/4.7.1.1 action A.1.

A similar event was reported by LER 50-366/1980-085.

The pump was removed, and upon disassembly a piece of lumber approximately 6"

long' was found lodged in.the -impe11ers.

During the same time period the standby diesel service water pump was declared inop also due to debris, and a hole subse -

quently was found in the traveling water screen.

The source of the lumber found in the RHR service water pump cannot be determined.

The pump was. not damaged, and only routine prev-entive maintenance was performed.

The operability test was conducted, and.the ' pump met acceptance criteria and was returned to service.

There were no effects upon public health and ' safety due. to this event.

No further action or reporting is required.

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