05000339/LER-1982-064-03, /03L-0:on 821012,while in Mode 1,intermediate Range Channel N-35 Failed Low.Caused by Failed Log Current Amplifier Module.Module Replaced,Tested Satisfactorily & Restored to Svc

/03L-0:on 821012,while in Mode 1,intermediate Range Channel N-35 Failed Low.Caused by Failed Log Current Amplifier Module.Module Replaced,Tested Satisfactorily & Restored to Svc

ML20027D498
Person / Time
Site:	North Anna
Issue date:	10/27/1982
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20027D497	List: 05000339/LER-1982-064, Forwards LER 82-064/03L-0 05000339/LER-1982-064-03, /03L-0:on 821012,while in Mode 1,intermediate Range Channel N-35 Failed Low.Caused by Failed Log Current Amplifier Module.Module Replaced,Tested Satisfactorily & Restored to Svc
References
LER-82-064-03L-01, LER-82-64-3L-1, NUDOCS 8211040375
Download: ML20027D498 (1)

LER-1982-064, /03L-0:on 821012,while in Mode 1,intermediate Range Channel N-35 Failed Low.Caused by Failed Log Current Amplifier Module.Module Replaced,Tested Satisfactorily & Restored to Svc

Event date:
Report date:
3391982064R03 - NRC Website

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.o U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK / / / / / / / (1)

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

/0/1/

/V/A/N/A/S/2/ (2)

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LICENSEE CODE LICENSE NUMBER LICENSE TYPE CAT 0/1/

R PO

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/0/5/0/0/0/3/3/9/

(7)

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/1/ 0/ 2/ 7/ R/ 2/ (9) gRC DOCKET NUMBER EVENT DATE REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES (10)

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/ On October 12, 1982, while in Mode 1, Intermediate Range Channel N-35 failed low./

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/ Since reactor power was greater than 5% no further actions were required until

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/0/4/~ / shutdown. Consequently, the public health and safety were not affected. This

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/ cvent is contrary to T.S. 3.3.1 and reportable pursuant to T.S. 6.9.1.9.b.

There/

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/ are no generic implications to this event and no further actions are required.

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SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

/0/9/

/I/A/ (11)

/E/ (12) /E/ (13) /I/N/S/T/R/U/

(14)

/Y/ (15)

/Z/ (16)

SEQUENTIAL OCCURRENCE REPORT REVISION LER/R0 EVENT YEAR REPORT NO.

CODE TYPE NO.

(17) REPORT NUMBER

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/-/ /0/6/4/

/ssf

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/L/

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/G/

ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM SUB. SUPPLIER MANUF.'.CTURER

/A/ (18)

/Z/ (19)

/Z/ (20)

/Z/ (21) /0/0/0/0/ (22) /N/ (23) /N/ (24) /N/ (25) /W/1/2/0/ (26)

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (27)

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/_ Ihe cause for Intermediate Range Channel N-35 failing low is the result of a

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/ failed Log Current Amplifier Module. The module was replaced, tested satisfact- /

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/ orily and restored to service.

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FACILITY METHOD OF STATUS

% POWER OTHER STATUS (30) DISCOVERY DISCOVERY DESCRIPTION (32)

/1/5/

/E/ (28)

/1/0/0/ (29)

/

NA

/

/A/ (31)

/ Operator Observation /

ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY (35)

LOCATION OF RELEASE (36)

/1/6/

/Z/ (33)

/Z/ (34)

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NA

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NA

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PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION (39)

/1/7/ /0/0/0/ (37) /Z/ (38)

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NA

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PERSONNEL INJURIES NUMBER DESCRIPTION (41)

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NA

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LOSS OF OR DAMAGE TO FACILITY 43)

TYPE

DESCRIPTION

/1/9/

/Z/ (42)

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NA

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PUBLICT.TY ISSUED DESCRIPTION (45)

NRC USE ONLY

/2/0/

/N/ (44)

/

NA

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NAME OF PREPARER W. R. CARTWRICHT PHONE (703) 894-5151 8211040375 821027 PDR ADOCK 05000339 S

PDR