ML17317B005

LER 79-007/03L-0 on 790218:suction Valve of West Centrifugal Charging Pump Found Closed.Caused by Mistaken Closing Following Surveillance Testing.Incident Is Being Reviewed

ML17317B005
Person / Time
Site:	Cook
Issue date:	03/13/1979
From:	Chadwell H INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B004	List: ML17317B003 ML17317B005 ML17317B006 ML17317B007
References
LER-79-007-03L-01, LER-79-7-3L-1, NUDOCS 7903190293
Download: ML17317B005 (3)

Text

. S. NUCLEAR REGULATORY COMMISSION NRC FORM 366 I7-77)

LICENSEE EVENT REPORT CONTROL BLOCK: Q1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORIVIATION)

I 6 7 8 9 M I DCC1Qs00000000000Qs41 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 1

LICENSE TYPE 11Qs~Qs30 57 CAT 58 CON'T

[QD1] R'RE ~LQB 0 5 0 0 0 3 1 5 Q7 0 2 1 8 7 9 QBO 3 QB 7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 DURING NORMAL OPERATION WHILE VALVING. OUT THE WEST CENTRI'FUGAL CHARGING PUMP FOR

~O3 MAINTENANCE, THE SUCTION VALVE WAS FOUND CLOSED CONTRARY TO T.S, 3.5,2, INVESTIGATION REVEALED THAT THE VALVE HAD BEEN MISTAKENLY CLOSED FOLLOWING

~os SURVEILLANCE TESTING. THE WEST TRAIN WAS INOPERABLE FOR A.PERIOD OF 52.5 HOURS.

~os DURING THIS TIME THE EAST PUMP WAS CONTINUOUSLY OPERABLE.

~O7

~OS 80 7 8 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE F Qii A Qis ~BQis V A L V E X Gs ~2Qis ~0 7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION Qii LERiRO REPORT ACTION FUTURE EVENT YEAR

~79 21 22 EFFECT

+

23 SHUTDOWN

~gp 24 REPORT NO.

p 26 Qw 27

~03 28 ATTACHMENT CODE 29 NPRDQ TYPE

+C 30 PRIME COMP.

31 NO.

Qp 32 COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER

~XQis ~HQis ~ZQss ~ZQsi 0 0 0 11 Y Qn ~NQss ~ZQss 2 9 9 9 Qss 33 34 sI 5 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27

~io UPON COMPLETION OF THE SURVEILLANCE TEST RUN OF THE UM AN AUXILIARY E UIPMENT OPERATOR WAS INSTRUCTED TO PLACE THE PUMP B CK THE DISCHARGE VALVE AND CLOSED THE SUCTION VALVE WHICH IS THE CONDITION IN WHICH 3 HE FOUND THE PUMP BEFORE THE TEST RUN. CONTINUED -- P GE 2 4

80 7 8 9 FACILITY STATUS

~pp 99POWER OTHER STATUS ~ METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 OPERAT R BSERVATIO 5 ~E Qss Qss NA LAJQ31 7 8 9 10 12 44 45 46 80 CONTENT ACTIVITY AMOUNT OF ACTIVITY LOCATION OF RELEASE Q EZ 7 8

~Q LLIS RELEASED OF RElEASE 9 10 PERSONNEL EXPOSURES 11 44 45 80 NUMBER TYPE DESCRIPTION 7 8

~00 9

0 Qsi ~ZQss 11 12 13 NA 80 PERSONNEL INJURIES NUMBER DESCRIPTION Q41

[iisJ8 ~Op 7 9 p Qss 11 12 NA 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q s ZQ42 NA 80 7 8 9 ISSUED PUB ll10 CITY DESCRIPTION ".

NRC USE ONLY KZ 8 WNQ44 9 10 NA 68 69 80 ~

c ss NAME OF PREPARER H~ M. ChadWel 1 PHONE 616 465-5901 X-316 c

0 n

CONTINUATION OF LER 879-007/03L-0 PAGE 2 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS THE SUCTION VALVE HAD BEEN CLOSED BY A DIFFERENT OPERATOR TO PERFORM ANOTHER TEST. THE SECOND OPERATOR RETURNED THE PUMP TO THE CONDITION WHICH HE FOUND IT. THE ERROR OCCURRED BECAUSE OF A LACK OF COORDINATION BETWEEN THE TWO AUXILIARY EQUIPMENT OPERATORS AND ALSO BECAUSE THE INSTRUCTIONS WERE NOT EXPLICIT ENOUGH. A LETTER HAS BEEN SENT TO EACH SHIFT OPERATING ENGINEER REQUESTING A REVIEW OF THIS INCIDENT WITH HIS PERSONNEL.

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