05000249/LER-1980-045-03, /03L-0:on 801219,drywell Spray Header Outboard Isolation Valve Did Not Close from Control Room.Probably Caused by Stuck Plunger on Closing Coil of Valve Motor Breaker.Plunger Freed by Moving Closing Coil by Hand

/03L-0:on 801219,drywell Spray Header Outboard Isolation Valve Did Not Close from Control Room.Probably Caused by Stuck Plunger on Closing Coil of Valve Motor Breaker.Plunger Freed by Moving Closing Coil by Hand

ML20002E212
Person / Time
Site:	Dresden
Issue date:	01/13/1981
From:	Zirwas K COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17193A629	List: 05000249/LER-1980-045, Forwards LER 80-045/03L-0 05000249/LER-1980-045-03, /03L-0:on 801219,drywell Spray Header Outboard Isolation Valve Did Not Close from Control Room.Probably Caused by Stuck Plunger on Closing Coil of Valve Motor Breaker.Plunger Freed by Moving Closing Coil by Hand
References
LER-80-045-03L-01, LER-80-45-3L-1, NUDOCS 8101260658
Download: ML20002E212 (2)

LER-1980-045, /03L-0:on 801219,drywell Spray Header Outboard Isolation Valve Did Not Close from Control Room.Probably Caused by Stuck Plunger on Closing Coil of Valve Motor Breaker.Plunger Freed by Moving Closing Coil by Hand

Event date:
Report date:
2491980045R03 - NRC Website

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lo#4l l The health and safety of the general public was not endangered because the inboard ITTs1 I isolation valve was operable and maintained closed until the outboard valve was

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33 34 35 34 37 40 48 42 43 44 47 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS ltIo11 The suspected cause of failure was a stuck plunger on the closing coil of the valve l

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Cal 550RW13Rh M S STA UNIT YEAR NO.

B 3 98 PART 1( Tl TLE OF DEV1 ATION CCCURAED.

LPCI Valve 3-1501-27d Failure to Close 12-19-80 0105 04 rE T

SYSTEM AFFECTED 1500 Pl. ANT CONDITIONS TESTING LPCI Run 2512 832 U

MODE PWRfMwT)

, LOAO(MWO YES NO QE5GalPTION OF EVENT During LPCI valve operability testing, the 3-1501-27B valve could not be closed, fro.n the control room.

U UnknownIE*IN!ks"O[mD3I OTHER APPLI CABLE I NFORMATl'ON Tha valve was subsequently closed, after moving the closing coil by hand.

EQUIPMENT 3YES OR NO.

WR NO.

Michael Wright 12/20/80 FAILURE n NO N/A 10627 RESPONSISLE SUPERVI5CR OATE PART 2 OPERATING ENGINEERS COMMENTS Following manual actuation of the closing coil, the valve was successfully eveled three times from the control room. The 3-1501-28B valve was maintained in the closed position until the 3'

J1-27B valve was closed.

SAFETY-TYPE OF OEVIATION EVENT OF POTENTI AL TECH SPEC NON-REPORTABLE ANNUAL RELATED REPORTABLE Oy JRRENCE PUBLIC INTEREST VIOLATION OCCURRENCE REPORTI NG WR ISSUED 10CFR21 I4 OAY YES YES X y

NOTIF1 TION NO NO X

30 DAY REPORTABLE OCCURRENCE ACTION ITEM NO.

PROMPT ON-Si TE NOTI FICATION NUMBER R. M. Ragan 12/19/80 0600 2R-80-45/03L-0 TlRE DATE TWE TITLE CATE TIME 24-HOUR NRC NOTIFICATION PROMPT OFF-SITE NOTIFICATION l

F. A. Palmer 12/22/80 10:08

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