ML18085A924

LER 80-019/03X-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

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: ML18085A924 ML18157A077
References
LER-80-019-03X, LER-80-19-3X, NUDOCS 8102270597
Download: ML18085A924 (1)

Text

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LICENSEE EVENT REPORT

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" . 'co~TROL BLOCK: ._I_,___.__.___II._,_._I........10 (PLEASE PRINT OR TYP.L REQUIRED INFORMATION) 1 6 .

~ IN I J Is I G Is 12 101 7' 8 9 LICENSEE CODE 14 15 0 I 0 I -I 0 I 0I 0I 0I 0 I LICENSE NUMBER

- I 0I 0101 4 I l I 1 25 26 I

LICENSE TYPE l I 1101 30 I

57 CAT SB 10 CON'T

[iliJ  ;;~~~~ LM©I ol sl ol ol ol 3l 1l 1l(?)lo 18121018 IO IG)lo 12 1119 I BI 110 7 8 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] equipment, the .2C SEC was de-energized and Action Statement 3.3.2.1 was entered

[QJ]J 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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7 B 9 BO SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUB CODE SUBCODE

[ill] JI I Al@ ~ ~@ IR IE IL IA IY IX I@ ~ ~@

7 B 9 10 11 12 .13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LE R.'RO LVENT YEAR REPORT NO. CODE TYPE NO.

@ REPORT NUMBER I I I 8 0 L=.J I 0 11 I 9 I 1......-1 I 01 3 I ~ l=1 ~

21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM :,U8. SUPPLIER MANUFACTURER

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33 34

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43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

[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] ~l_t_h_i_*s_t_lll'l_*_e_,_n_o_t_r_a_n_s_i_e_n_t_s_o_c_c_u_r_r_e_d_.__N_o_f_u_t_u_r_e_a_c_t_i_*o_n __i_s_p_l_a_n_n_e_d_.____________.

7 B 9 FACILITY STATUS  % POWER OTHER STATUS ljQ\

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METHOD OF DISCOVERY DISCOVERY DESCRIPTION 32 80 ETIJ ~@ I o I o I o l@I....----'N=-A'--_ ~~~'---~E~g~u~i~*p~m~e~n~t.;:....~S~t~a~r~t~i~n~g~-....:...----~~

7 . 8 9 10 12 1'3 44 45 46 80 ACTIVITY CONTENT Q-.

RELEASED OF RELEASE AMOUNT OF ACTIVITY ~ LOCATION OF RELEASE @

~ W@ UJ@ .... I _N_A_ _ _ _ _ __ NA 7 B 9 10 11 44 45 BO PERSONNEL EXPOSURES (.;:;\

NUMBER (:;::;\TYPE DESCRIPTION E:EI I ol ol QJ0LJJ@I_____N = A " - - - - - - - - - - - - - - - - - - - - - - - - . - J 7 8 9 11 12 13 80 PERSONNEL INJURIES (,;'";\

NtlMBER DESCRIPTION6 Em 7 8 I9 cl ol oJ@~__,N=A!-------=-"*~-------------------_.

11 12 80 LOSS OF OR DAMAGE TO FACILITY t;j3' TYPE DESCRIPTION \::.V EliJ W@

7 B 9 NA

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

ISSUED~DESCRIPTION~ NRC USE ONLY .,

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