05000272/LER-1980-031-99, /99X-0:on 800608,lightning Hit South Penetration Area Causing Failure of Two Main Steam Pressure Transmitters.Transmitters Replaced & Will Be Analyzed.Surge Protection Being Investigated

/99X-0:on 800608,lightning Hit South Penetration Area Causing Failure of Two Main Steam Pressure Transmitters.Transmitters Replaced & Will Be Analyzed.Surge Protection Being Investigated

ML18082A725
Person / Time
Site:	Salem
Issue date:	07/08/1980
From:	Murphy M Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18082A724	List: 05000272/LER-1980-031, Forwards LER 80-031/99X-0 05000272/LER-1980-031-99, /99X-0:on 800608,lightning Hit South Penetration Area Causing Failure of Two Main Steam Pressure Transmitters.Transmitters Replaced & Will Be Analyzed.Surge Protection Being Investigated
References
LER-80-031-99X, LER-80-31-99X, NUDOCS 8007150679
Download: ML18082A725 (1)

LER-1980-031, /99X-0:on 800608,lightning Hit South Penetration Area Causing Failure of Two Main Steam Pressure Transmitters.Transmitters Replaced & Will Be Analyzed.Surge Protection Being Investigated

Event date:
Report date:
2721980031R99 - NRC Website

text

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9cENSEE EVENT REPORT U.S. NUCLEAR REGULATORY COMMISSION CONTROL BLOCK: !-I _.__~-..._~_.__-JI 0 1

6 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 5B CON'T f.TITI 7

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~~~~~ LlJ© I o I 5 I o I o I o I 2 I 1 I 2 101 o I 6 I o I s I s I o 10 I 0 17 I o I a I a I o 10 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE BO EVENT DE~CRIPTION AND PROBABLE CONSEQUENCES@

1ouring~a lightning storm, the South Penetration Area was hit at 0844 hours0.00977 days <br />0.234 hours <br />0.0014 weeks <br />3.21142e-4 months <br /> resulting A

C£:IIJ 1in a severe transient on 7 Main Steam Pressure Transmitters causing 2 to fail.

[Q]}J 1safety injection occurred for four minutes.

In addition, Action Statements 3.7.1.2

(())] 1was entered at 0859 hours0.00994 days <br />0.239 hours <br />0.00142 weeks <br />3.268495e-4 months <br /> (77-50/0lT).

BO rr:m 7

B SYSTEM CODE Ir IA I@

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CAUSE

CAUSE CODE SUBCODE COMPONENT CODE

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11 12 13 1B SEQUENTIAL OCCURRENCE LE R *RO CV ENT YEAR REPORT NO.

CODE REPORT lslol I

I IOl3lll I/I 19191 NUMBER 21 22 23 24 26 27 2B 29 COMP.

SUB CODE L!J 19 REPORT TYPE

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30 VALVE SUBCODE [2J@

20 1=J 31 ACTION FUTURE EFFECT SHUTDOWN r:;::;..

ATTACHMENT NPRD-4 PRIME COMP.

SUPPLIER REVISION NO.

LQJ 32 COMPONENT MANUFACTURER TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM ~UB.

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.CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

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(((() IA transient on Main Steam Line Pressure transmitters was caused by lightning striking o::I!J lthe South Penetration Area.

The transmitters were replaced in kind and are to be OJ)) 1analyzed to determine the cause of their failure.

Suitable surge protection is being OJ1J jinvestigated and the results reported in a follow-up report.

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BO FACILITY STATUS

% POWER [ill] l.!.J@ I l I 0 I 0 l@l ___

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10 12 13 '

ACTIVITY CONTENT Q\\

RELEASED OF RELEASE AMOUNT OF ACTIVITY ~

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10 11 OTHER STATUS METHOD OF

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DISCOVERY DISCOVERY DESCRIPTION ~

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44 44 45 LOCATION OF RELEASE @

N/A BO PERSONNEL EXPOSURES Q.

NUMBER

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DESCRIPTION

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7 B

9 11 12 13 PERSONNEL INJURIES

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BO NUMBER DESCRIPTION~

EJI1 I ol ol ol@>~----~N~A ____________________ ___.

7 B

9 11 12 BO LOSS OF OR DAMAGE TO FACILITY '43' TYPE

DESCRIPTION

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7 B

9 10 0 0 BO NRC USE ONLY ISSU=~~~;;CRIPTION@ '8 7 1 5 0 "7'1 ITIT1 W~I N/A I I I I I I I I I I I I I ~

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10 NAMEOFPREPARER~~-M_. __ J_. __ M_u_r_p_h_y __________ ~~--~-

6B 69 BO a, PHONE: ___

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