05000293/LER-1980-093-03, /03L-0:on 801213,Walworth Co Reactor Water Cleanup Outboard Isolation Valve Mo 1201-5 Closed Late.Cause Not Stated.Valve Repacked,Stem Lubricated & Closure Retimed

/03L-0:on 801213,Walworth Co Reactor Water Cleanup Outboard Isolation Valve Mo 1201-5 Closed Late.Cause Not Stated.Valve Repacked,Stem Lubricated & Closure Retimed

ML19340F120
Person / Time
Site:	Pilgrim
Issue date:	01/12/1981
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340F119	List: 05000293/LER-1980-093, Forwards LER 80-093/03L-0 05000293/LER-1980-093-03, /03L-0:on 801213,Walworth Co Reactor Water Cleanup Outboard Isolation Valve Mo 1201-5 Closed Late.Cause Not Stated.Valve Repacked,Stem Lubricated & Closure Retimed
References
LER-80-093-03L, LER-80-93-3L, NUDOCS 8101190465
Download: ML19340F120 (1)

LER-1980-093, /03L-0:on 801213,Walworth Co Reactor Water Cleanup Outboard Isolation Valve Mo 1201-5 Closed Late.Cause Not Stated.Valve Repacked,Stem Lubricated & Closure Retimed

Event date:
Report date:
2931980093R03 - NRC Website

text

(7 77)

LICENSEE EVENT REPORT A

CONTROL BLOCK: l l

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lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) l0 l1l lM l A lP lP lS l 1 l@l0 l0 l-l0 l0 l0 l0 l0 l-l0l0l@l4 l1 l1 l1l1l@l l

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROS 18LE CONSEQUENCES h l o 12 I l During t.he performance of Surveillance Test Number 8. 7.4. 3, Reactor Water Cleanuo 1

(RWCU) Outboard Isolation valve MD 1201-5 did not close in the required 25 second I

Io Ial I lo i4 l l time interval.

The RWCU's line Inboard Isolation Valve M0 1201-2 was immediatelv i

10 i s J l closed. A priority maintenance request was issued, the valve repaired and

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l0 je l l the system returned to normal at approximately 1730 hrs. on December 13, 1980 I

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9 10 11 12 13 18 19 20 SEQUENTI AL OCCURRENCE REPORT REVISION L E R 'R0 EVENT YE AR REPORT NO.

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ii ;i ; l by Walworth Company. Maintenance repacked the valve, lubricated its stem, I

satisfactorily retimed its closure and returned it to service.

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PERSONNEL EXPOSURES l 1 l 7 l l 010 l 0 l@l Z lhl DESCRIPTION NUMBER TYPE l

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DESCRIPTION

l li la l 10 l 0 l 0 l@l NA 80 7

8 9 11 12 LOSS OF OR OAMAGE To FACILITY TYPE

DESCRIPTION

l l 1 l 9 l l Z l@l NA 80 7

8 9 10 12 I a l [N_f@ DESCRIPTION ISSUE l

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