05000220/LER-1979-025, Forwards LER 79-025/03L-0

Forwards LER 79-025/03L-0

ML17053B234
Person / Time
Site:	Nine Mile Point
Issue date:	11/19/1979
From:	Schneider R NIAGARA MOHAWK POWER CORP.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053B235	List: 05000220/LER-1979-025, Forwards LER 79-025/03L-0 05000220/LER-1979-025-03, /03L-0:on 791027,during Surveillance Testing, Personnel Unable to Zero Side Average Power Range Monitor Flow Converter 11.Caused by Component Failure.Entire Unit Replaced & Problem Eliminated
References
NMP-1169, NUDOCS 7911300471
Download: ML17053B234 (2)

LER-1979-025, Forwards LER 79-025/03L-0

Event date:
Report date:
2201979025R00 - NRC Website

text

WP-1169 NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARDWEST, SYRACUSE. N.Y. 13202/TELEPHONE t315) 474.1511 Novembe/I.

19, 1979 hh..

Hoyce H.

Gtu.etc NIL ecto/I.

United Siate5 NucLea/L ReguLato/I.y Corn~sion Regs.on I 631 Pa/I.k Avenue, King o( P~aia, PA.

19406 RE:

Docket No. 50-220 LER 79-25 gea/L hh.

G/u'.e/I.:

In accordance Ioith Nine hKLe Po~ NucLevc S~n U~ <1 TechIu.caL SpeciIIications, uIe he/Ieby sub~ She )oLLoling Lice'e, Event Repo/LtI 79-25 IIIhichkb being submitted in accondance I0ith Section 6.9.2b(1),

/Lento/I, prtokmtion system o/I.

enginee/I.ed safety tI~e inhWumeILt settings uIlu.ch a/Le (ound Co be, Lees come/LvatLve Chan Chose uWbMshed by Che TechnicaL Speci.g.cation'ut elu.ch do nok p/I.eveILt Che It'tuLQXLment o( Ae

)unctionaL aequi/I erne~

o( affected dyaZems.

Tl~ /I.epos uIa5 compLeted in Che )o/Imat designated in NUREG-0161, dated JuLy 1977.

Vercy ~y yoIdL5, Original Signed by R.R. Schneider EP/mtm AttachmeIM (3 copie5) xc:

Mn.ecto/L, 0$ (j.ce o) ISE (30 copie5)

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R.R. Schneide/L

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1 QE~QE 25 26 LICENSE TYPE 30 57 CAT 58 QB 1

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9 QB EVFNT DATE 74 75 REPORT DATE 80

."":".l LiJQB 60 61 DOCKET NUMBER 68 69 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 During steady state operations, personnel performing instrument sur-veillance'tests were unable to zero k'll Side APRH Flow Converter.

The error in flow indication was in the conservative direction and'll trip points were operable.

The faulty converter unit was replaced by a new unit and the problem was eliminated.

This event had no safety implica-tions.

LICENSEE EVENT REPORT CONTROL BLOCK:

QI (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

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LICENSEE CODE 14

'15 LICENSE NUMBER

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SYSTEAI

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CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

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10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT R EVI5 ION LER)RO EVENT YEAR REPORT NO.

CODE TYPE NO.

QE7 REPoRT

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+0 21 22 23 24 26 27 28 29 30 31, 32 ACTION. FUTURE EFFECT SHUTDOWN ATTACHh'IENT NPRDvI PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

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0 Qss 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o

Technicians were unable to zero APRN flow converter unit due to corn o-nent failure.

The entire unit was replaced and P

inated.

the roblem was elim-3 7 '

9 FACILITY STATUS 99 POWER OTHER STATUS Q 5

E Q25 ~09 6

Qss NA 7

8 9

10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ 6

Z Q33 Z

Q34 NA 7

8 9

10 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7 ~00 0

QET Z Qss NA 7

8 9

11 12 13 PERSONNCL INJURIES 7

8 9

I I 11 12 LOSS 0)'R DAMAGETO FACILITYQ43 TYPE" IT) DESCRIPTION B

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O42 NA 7

8 9

10 PUBLICITY 7,

8 9

10 NAME OF PREPARER METHOD OF DISCOVERY LBJQ>>

45 46 45 DISCOVERY DESCRIPTION Q32 Instrument Surveillance Test LOCATION OF RELEASE Q NA 80 80 80 80 80 79118 0 0 ~~Y NRC USE ONLY 80 5

68 89 80 o (315) 343-2110 Ext 1558 0

, PHONE:

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