05000311/LER-1980-019-03, /03X-1:on 800820,spurious Signals Caused 2C Sec Safeguards Equipment to Start Three times.2C Sec de-energized.Output Cable Plug Disconnected,Cleared & Tagged to Prevent Energizing Circuits

/03X-1:on 800820,spurious Signals Caused 2C Sec Safeguards Equipment to Start Three times.2C Sec de-energized.Output Cable Plug Disconnected,Cleared & Tagged to Prevent Energizing Circuits

ML18085A924
Person / Time
Site:	Salem
Issue date:	02/19/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A925	List: 05000311/LER-1980-019, Forwards LER 80-019/03X-1 05000311/LER-1980-019-03, /03X-1:on 800820,spurious Signals Caused 2C Sec Safeguards Equipment to Start Three times.2C Sec de-energized.Output Cable Plug Disconnected,Cleared & Tagged to Prevent Energizing Circuits
References
LER-80-019-03X, LER-80-19-3X, NUDOCS 8102270597
Download: ML18085A924 (1)

LER-1980-019, /03X-1:on 800820,spurious Signals Caused 2C Sec Safeguards Equipment to Start Three times.2C Sec de-energized.Output Cable Plug Disconnected,Cleared & Tagged to Prevent Energizing Circuits

Event date:
Report date:
3111980019R03 - NRC Website

text

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LICENSEE EVENT REPORT

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_._I........ 10 (PLEASE PRINT OR TYP.L REQUIRED INFORMATION) 1 6

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IN I J Is I G Is 12 101 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I - I 0 I 0101 4 I l I 1 I l I 1101 I 10 7'

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT SB CON'T [iliJ 7

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~~~~ LM©I ol sl ol ol ol 3l 1l 1l(?)lo 18121018 IO IG)lo 12 1119 I BI 110 60 61 DOCt<.cT NUMBER 68 69 EVENT DATE 74 75 REPORT DATE BO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

I During a cooldown, three spurious signals were received that resulted in the 2C [QJ1J I SEC safeguards equipment being started.

To preclude unnecessary operation of the [QTI]

[QJ]J rrm [TIIJ [QI[]

equipment, the.2C SEC was de-energized and Action Statement 3.3.2.1 was entered at 1418 hours0.0164 days <br />0.394 hours <br />0.00234 weeks <br />5.39549e-4 months <br />.

Similar occurrences 12.

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SYSTEM CODE JI I Al@

9 10 LE R.'RO LVENT YEAR REPORT I 8 I 0 I NUMBER 21 22

CAUSE

CAUSE CODE SUBCODE COMPONENT CODE

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11 12

.13 18 SEQUENTIAL OCCURRENCE REPORT NO.

CODE L=.J I 0 11 I 9 I 1......-1 I 01 3 I 23 24 26 27 28 29 COMP.

SUB CODE

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19 REPORT TYPE

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30 VALVE SUBCODE

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20 l=1 31 PRIME COMP.

TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM :,U8.

SUPPLIER REVISION NO.

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32 COMPONENT MANUFACTURER BO ACTION FUTURE EFFECT SHUTDOWN

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33 34 35 36 37 40 41 42 L.::J@

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

43 44 47 [II[) I When entry into Mode 5 was achieved at 2310 hours0.0267 days <br />0.642 hours <br />0.00382 weeks <br />8.78955e-4 months <br />, the Action Statement was terminatep.

Latching relays were installed in parallel with XKl and XK2 relay coils to detect transients from the Solid State Protection System which could cause the SEC to

[!))] I operate.

These relays were installed on 7/28/80 and removed on 9/3/80.

During C!J::r]

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i_s_p_l_a_n_n_e_d_. __________ __.

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9 FACILITY ljQ\\

STATUS

% POWER OTHER STATUS ~

ETIJ ~@ I o I o I o l@.... I ----'N=-A'--_

80 METHOD OF DISCOVERY DISCOVERY DESCRIPTION 32

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7.

8 9

10 12 1'3 ACTIVITY CONTENT Q-.

RELEASED OF RELEASE AMOUNT OF ACTIVITY ~

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W@ UJ@.... I _N_A ______

7 B

9 10 11 44 45 46 80 LOCATION OF RELEASE @

NA 44 45 BO PERSONNEL EXPOSURES

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NUMBER

(:;::;\\TYPE

DESCRIPTION

E:EI I ol ol QJ0LJJ@ __ I ___ N=A"------------------------.-J 7

8 9

11 12 13 80 PERSONNEL INJURIES

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NtlMBER DESCRIPTION6 Em I cl ol oJ@~__,N=A!-------=-"*~-------------------_.

7 8

9 11 12 80 LOSS OF OR DAMAGE TO FACILITY t;j3' TYPE

DESCRIPTION

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~10~-=-=---------------------------------------~BO PUBLICITY f'::\\

ISSUED~DESCRIPTION~

NRC USE ONLY lITIJ l.NJ~---=A-=---------------------~ l l I l I I I I I I I I I!

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9 10 68 69 80 ;;;

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