ML17317B069

LER 79-016/03L-0 on 790304:two Manual Containment Isolation Valves Were Inadvertantly Left Open Following Routine Sample of Instrument Room.Caused by Personnel Oversight.Both Valves Were Returned to Their Normally Closed Positions

ML17317B069
Person / Time
Site:	Cook
Issue date:	04/03/1979
From:	Beilman T INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B068	List: ML17317B067 ML17317B069 ML17317B070
References
LER-79-016-03L, LER-79-16-3L, NUDOCS 7904090187
Download: ML17317B069 (2)

Text

NRC FORM 366 U. S. NUCI.EAR REGULATORY COMMISSION LtCENSEE EVENT REPOR

~ r CONTROL BLOCK: IPLEASE PRINT OR TYPE ALI. REQUIRED INFORMATION)

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Q1 1 6

~91 7 8 9 M 1 D LICENSEE'CODE C C 1 14 Q2 15 0 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 25 O 26 4 1 1 LICENSE TYPE 1 1 30 57 CAT 58 Qp CON'T 0 5 0 0 0 3 1 5 Q70 3 0 4 7 9 p 4 p 3 7 9 09

~LQB QB 80 DOCKET NUMBER, 68 69 EVENT DATE 74 75 REPORT DATE ~

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES ~10 TWO MANUAL CONTA I NMENT I SOLAT I ON VALVES USED FOR I NSTRUMENT ROOM SAMPL NG WERE I DISCOVERED TO BE IN THE OPEN POSITION. UPON DISCOVERY, BOTH VALVES WERE RETURNED TO THEIR NORMALLY CLOSED POSITIONS IN ACCORDANCE WITH T.S. 3.6.3.1.

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~08 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUB DE

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~OB OII Qp QI4 ~Z 09 OI8 7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION EVQ/T YEAR REPORT NO. CODA TYPE NO.

GT LERIRO ATTCAT 21 22, 23

~pl 24 6

26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTDOWN Q ATTACHMENT NPRDQ PRIME COMP. COMPONENT TAKEN ACTION 33 Q18 ~Q19 34 ON PLANT

~Q2O 35 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS ~27 METHOD

~Q 36 37 HOURS @22 40

~

SUBMITTED 41 Q23 FORMSUB.

~Q24 42

~

SUPP/.IER 43 Q26 44 MANUFACTURER H 0 3 7 Q26 47 THE VALVES WERE INADVERTANTLY LEFT OPEN FOLLOWING A ROUTINE SAMPLE OF THE INSTRUMENT ROOM. TO PREVENT RECURRENCE, THE IMPORTANCE OF THE CONTAINMENT ISOLATION VALVES WAS DISCUSSED WITH THE AFFECTED PERSONNEL DURING A SECTION MEETING, 3

4 7 8 9 80 FACILITY STATUS  % POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVCRY DESCRIPTION Q32

~lp E Q28 ~l0 0 Q29 MA ~BQ31 TOUR/INSPECTION 7 8 9 10 12 13 44 45 46 80 ACTIVITY CONTENT RELfASED OF RELEASE CF ACTIVITYQpp LOCATION OF RELEASE

~P AMIDST NA

~1 ~ Q33 ~ZQ34 7 8 9 10 44 45 80 PERSONNEL EXPOSURES 7 8 9 11 12 13 80 PERSONNEL INJURIES 8 ~05 NU BER 0 Q49 DESCRIPTION 41 NA 7 I ~JLI I Cri07 80 7 8 9 11 12 LOSS OF OR DAMAGE TO FACILITY ~43 7 8 9

'Q TTPE DESCRIPTION 10 r'

O P(JBLICITY ISSUED DESCRIPTION ~ NRC USE ONL,Y pl 9 10 68 69 80 p, T. P. Beilman 616-465-5901 0 L

NAME OF PREPARER PHONE:

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