ML17317B086

LER 79-018/03L-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

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: ML17317B084 ML17317B086
References
LER-79-018-03L, LER-79-18-3L, NUDOCS 7904160206
Download: ML17317B086 (2)

Text

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

~.g 7.NWC- ~ LICENSEE EVENT REPORT CONTROL BLOCK: (PLEASE PRINT OR TYPE ALI. REQUIRED INFORMATION) 6 Q4~

1

~O M I D C C 1 Q2 0 p 0 p p 0 'p 0 p 0 0 Q3 4 I 1 1 1 Q8 LICENSEE'ODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 7 8 9 CON'T

~O RE"R'L06 0 5 Q70 3 1 0 7 9QBO 4 0 9 QB 68 69 EVENT DATE I4 75 REPORT DATE 80 7 8 60 61 DOCK ET NUMBE R EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 010 THE ROOT VALVE FOR LOWER CONTAINMENT PRESSURE TRANSMITTER PPP-300 WAS DISCOVERED 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

~OS 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

[OO~] ~IB 9 10 Q77 A Qn ~XQn 12 13 V A L V E X 18 Q74 ~GQ>>

19

.LOJ 08 20 7 8 11 SEQUENTIAL OCCURRENCE REPORT REVISION Q

LERIRO 882887 EVENT YEAR

~ID 21 22 EFFECT

+23 SHUTDOWN

~01 24 REPORT NO.

6 26 27 ATTACHMENT 28 CODE 29 NPRDP TYPE 30 PRIME COMP.

31 NO.

32 COMPONENT ACTION FUTURE TAKEN ACTION 33 016 ~0>>

34 ON PLANT

~020 35 METHOD

&021 36 37 HOURS +22 40 SUBMITTED M0>>

41 FORM SUB.

Ll024 42 SUPPLIER

&0>>

43 44 MANUFACTURER D 2 4 3 47 026 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 027 A SPECIFIC CAUSE 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.

7 8

8 9 FACILITY STATUS E Q28 ~l0 36 POWER 0 Q28 OTHER STATUS NA

~

~3O METHOD OF DISCOVERY

~AQ27 TECHNICIAN DISCOVERY DISCOVERY DESCRIPTION 032 7 8 9 10 12 13 44 45 46 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY Q LOCATION OF RELEASE Q

~033 ~034

>Dg'0 NA NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~l7 ~00 0 Q37 ~ZQ28 NA 80

~P'3'"O Q88'"'"'"""Q NA ) ) 0 II t8 0 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY Q43 8

ZQ 10 NA 80 7 9 O

ISSUED PUBLICITY DESCRIPTION ~ NRC USE ONI Y 88 a

7 8 9 10 T. P. Beilman 68 69 616-465-5901 80 a 0'

NAME OF PREPARER 0

I 1