05000315/LER-1979-018-03, /03L-0 on 790310:root Valve for Lower Containment Pressure Transmitter PPP-300 Was Found in Closed Position. Cause Unknown.Valve Was Immediately Opened,Restoring Loop to Operable Status

/03L-0 on 790310:root Valve for Lower Containment Pressure Transmitter PPP-300 Was Found in Closed Position. Cause Unknown.Valve Was Immediately Opened,Restoring Loop to Operable Status

ML17317B086
Person / Time
Site:	Cook
Issue date:	04/09/1979
From:	Beilman T INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B085	List: 05000315/LER-1979-018, Forwards LER 79-018/03L-0 05000315/LER-1979-018-03, /03L-0 on 790310:root Valve for Lower Containment Pressure Transmitter PPP-300 Was Found in Closed Position. Cause Unknown.Valve Was Immediately Opened,Restoring Loop to Operable Status
References
LER-79-018-03L, LER-79-18-3L, NUDOCS 7904160206
Download: ML17317B086 (2)

LER-1979-018, /03L-0 on 790310:root Valve for Lower Containment Pressure Transmitter PPP-300 Was Found in Closed Position. Cause Unknown.Valve Was Immediately Opened,Restoring Loop to Operable Status

Event date:
Report date:
3151979018R03 - NRC Website

text

U. S. NUCI.EAR REGULATORY COMMISSION NRC FORM 366 I7.77)

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8 LICENSEE EVENT REPORT (PLEASE PRINT OR TYPE ALI. REQUIRED INFORMATION) 6 1

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Q8 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CONTROL BLOCK:

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QB 60 61 DOCKET NUMBE R 68 69 EVENT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 010 THE ROOT VALVE FOR LOWER CONTAINMENT PRESSURE TRANSMITTER PPP-300 WAS DISCOVERED I4 75 REPORT DATE pe TO BE IN THE CLOSED'OSITION AND UPON DISCOVERY WAS IMMEDIATELY OPENED RESTORING 4

THE LOOP TO OPERABLE STATUS.

DUE TO THE NATURE OF DISCOVERY AND RESTORATION, ACTION 8

REPUIREHENTS 14 AND 16 OF. T.S.

TABLE 3.3-3 WERE REVIEWED WITH Np FURTHER ACTION,'

6 REQUIRED

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9 SYSTEM

CAUSE

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VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

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10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENT YEAR REPORT NO.

CODE TYPE NO.

Q 882887

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21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDP PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB.

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026 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 027 A SPECIFIC

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FOR THIS EVENT COULD NOT BE DETERMINED.

PROCEDURES WHICH REQUIRE VALVE POSITION VERI;FICATION WERE REVIEWED FOR ADEQUACY, ALL OF WHICH SPECIFY PROPER POSITIONING, TO PREVENT RECURRENCE, THE LOWER CONTAINMENT PRESSURE ROOT VALVES FOR UNITS ONE AND TWO HAVE BEEN SEALED OPEN AND IDENTIFIED AS SUCH IN THE APPROPRIATE 4

PROCEDURES TO INSURE THAT THEY REMAIN PROPERLY POSITONED AT ALL TIMES.

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FACILITY

~3O METHOD OF STATUS 36 POWER OTHER STATUS ~

DISCOVERY DISCOVERY DESCRIPTION 032 8

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~AQ27 TECHNICIAN DISCOVERY 7

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10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ LOCATION OF RELEASE Q

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10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

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11 12 LOSS OF OR DAMAGETO FACILITYQ43 ZQ NA 9

10 PUBLICITY ISSUED DESCRIPTION~

9 10 NAME OF PREPARER T.

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Beilman 80 68 69 616-465-5901 80 NRC USE ONI Y 88a 80 a0' 0

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