ML17326A337

LER 79-053/03L-0:on 791012,loop 3 Channel 4 Steam Generator Level Failed.Caused by Faulty Containment Cable Penetration. Penetration Feedthrough Switched to Spare Penetration & New Feedthrough Checked for Operability

ML17326A337
Person / Time
Site:	Cook
Issue date:	11/07/1979
From:	Delong S INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17326A335	List: ML17326A334 ML17326A337
References
LER-79-053-03L, LER-79-53-3L, NUDOCS 7911140344
Download: ML17326A337 (2)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7-77),~~ ENSEE EVENT REPORT CONTROL BLOCK: QI (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~0 M I 0 C C 1 14 ORB 15 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 0QR 25 26 4 1 LICENSE TYPE 1 1 IQR~QR 30 57 CAT 56 7 8 9 LICENSEE CODE i CON'T

~01 MOO 5 0 0 0 3 1 5 Q7 1 0 1 2 7 9QB 74 75 1 1 0 >

REPORT DATE 7 9 ee 7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 LOOP 3 CHANNEL 4 STEAM GENERATOR LEVEL FAILED AS EVIDENCED BY A

~03 DRIFTING AND LOSS OP LEVEL INDICATION ~ THIS CONDITION WAS NON 4 CONSERVATIVE WITH RESPECT TO T. S . TABLE 3. 3-1 ITEMS 14 AND 1 5 AND

~o s TABLE 3.3-3 ITEM 5a.

~06

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

~IA 9 10 O<<<<E 11 O ~AO<<R 12 13 18 64 ~O<<R 19 MBOM 20 SEQUENTIAL OCCURRENCE REPORT REVISION O<<P LF RiRO REPQRT EVENT YEAR

~79 ~23

~05 24 REPORT NO.

3 26

~W 27

~03 28 CODE 29 30 TYPE 31 NO.

32 21 22 PRIME COMP. COMPONENT

'~

ATTACHMENT NPRD<<4 ACTION FUTURE TAKEN ACTION

~QIBLJQ>> 34 EFFECT ON PLANT

~Q20 35 SHUTDOWN METHOD

&Q21 36 37

' HOURS +22 40 SUBMITTED UQ23 41 FORM SUB.

~YQ24 42 SUPPLIER DQ>>

43 44 MANUFACTURER 47 Q26 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 0 THE CAUSE OF THE FAILURE WAS POUND TO BE A FAULTY CONTAINMENT CABLE PENETRATION'HE PENETRATION FEED THROUGH WAS SWITCHED TO A SPARE PENETRATION AND THE NEW FEED THROUGH CHECKED POR OPERABILITY'HE ACTION ITEM REQUIREMENTS OP TABLE 3.3-1 FOR ITEMS 14 AND 15 4 'AND TABLE 3.3-3 ITEM 5a WERE FULFILLED.

7 8 9 80 FACILITY METHOD OF

, STATUS  % POWER OTHER STATUS Q30 DISCOVERY DISCOVERY DESCRIPTION Q32

~EQRR ~10 10 0

12 QRR 44

~BQ31 ROUTINE OPERATOR READINGS 45 46 80 7 8 9 13 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY NA Q LOCATION OF RELEASE Q 6 ~Z Q33 Z Q34 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE'ESCRIPTION Q39 7 ~00 0 ORP

<<12 5 QRR 13 NA 80 7 8 9 11 PERSONNEL INJURIES NUMBER DESCRIPTION Q41 R ~OO O Q<<R NA 80 7 6 9 11 12 LOSS OF OR DAMAGE TO FACILITY Q43 7

9 8

TYPE

~ZQ42 9

DESCRIPTION 10 7 ll O >f 80 O

ISSUED

~N PUBLICITY 44 DESCRIPTION ~ NRC USE ONLY P P<<P 8 9 10 68 69 80 RR 616-465-5901 0 L

NAME OF PREPARER PHONE: 0

la

~ ~

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