05000220/LER-1978-040, Forwards LER 78-040/03L-0

Forwards LER 78-040/03L-0

ML17053A281
Person / Time
Site:	Nine Mile Point
Issue date:	12/08/1978
From:	Schneider R NIAGARA MOHAWK POWER CORP.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053A282	List: 05000220/LER-1978-040, Forwards LER 78-040/03L-0 05000220/LER-1978-040-03, /03L-0 on 781113: 112 Core Spray Topping Pump Motor Breaker Closed Starting Pump But Breaker Closing Spring Motor Was Running Continuously & Not Charging Closing Spring.Caused by Misaligned Motor Assembly at Latching Pawl
References
NMP-1075, NUDOCS 7812140149
Download: ML17053A281 (2)

LER-1978-040, Forwards LER 78-040/03L-0

Event date:
Report date:
2201978040R00 - NRC Website

text

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Nh(P-10 75 NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARDWEST, SYRACUSE, N.Y. 13202/TELEPHONE (315) 474-1511 Oecembe/L 8,

1978 hk.

Bogce H.

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U~ed S~e5 Mucl~ Regulato/I.y Commha~on Region I 691 Pmk Avenue, G'.ng o( P~s~,

PA.

19406 RE:

8odz& Mo. 50-220 Gem A,. Gju'.en.:

In accordance ~h Mine NXe Point Nucj'evt. S~n Unit <1 Tech'.cd SpecipcatLone, uIe he/ceby hub~ LLcen5ee Event RepoM LER 78-40, III',ch ~ an accordance I~h Sation 6.9.2 o( Che Techtu.cat'peci gc~n5.

TRQ /I.epo/Lt was completed ~n She )otunat dee~gnated

~n NUREG-0161, dated Ju@

1977.

Ve/I,y ~g gou4b, R.R. Schneidarc Vzce P/I,ehLdent-Ekect/u.c P/I,oduct4.on

~chment (3 cop~e5) xc:

Object'o/L, 0(pce o( ISE (90 cop~e5)

GULgORY GOD~ET H1-E ~op~

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8 CONTROL BLOCK:

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9 LICENSEE CODE 25 26 LICENSE TYPE 30 57 CAT 58 0

14 IS LICENSE NUMBER QB p

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Q7 1

1 1

3 7 SQ 60 61 DOCKET NUMBER EVENT DATE 74 75 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Qlo Durin stead state o eration Sur veil 1 ance Te I'-

REPORT DATE 80 LICENSEE EVENT REPORT QI (PLEASE PRIN~TYPE ALLREQUIRED INFORMATIONI 6

1 QEO 0

0 0

0 0

0 5

4 1

1 1

1 QE~QE

~O3 core spray topping pump motor breaker closed startina num but breaker closing sprin motor was runnin continuousl and not charain 1

i spring.

Breaker would not have reclosed to restart um 0 erabilit of

~OB

- the redundant s stem was demonstrated ust rior to th in id tinued o crated was ermitted b

Tech S ec 3.1.4.8.

This event has minimal safety implications.

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SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE Q11 E

Q12

~0 Q13 Q4 MQIS MQ 7

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lp ll 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LF RIRO EVENT YEAR REPORT NO.

CODE TYPE NO.

Q17 REPoRT

~70

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~0 21 22 23 24 26 27 28 29 30

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31 32 ACTION. FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDR PRINIE COMP.

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

SUPPLIER MANUFACTURER

~EQIB ~ZQ19

~ZQ20

~ZQ21 0

0 0

0

~N Q23

~YQ24

~N Q25 I

O S

O Q28 33 34 35 36 37 4p 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o

Motor assembl was sli htl misali ned at latchinq awl.

The motor assembly was properl alianed.

S stem was tested to verify operability.

3 4

CO ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ B

~Z Q33 Z

Q34 NA 7

8 9

10 44 PERSONNEL EXPOSURES 39.~~

7 8

9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTIONQI 5

~00 0

Qao na 7

8 9

11 12 LOSS OF OR DAMAGETO FACILITYQ43 78121 LOCATION OF RELEASE Q 5 NA 45 7

8 9

FACILITY

'3O METHOD OF STATUS

% POWER OTHER STATUS Q DISCOVERY DISCOVERY DESCRIPT(ON Q32 1

5

~EQER ~09 1

QEE NA

~B Q31 Surveillance Testino 8

9 Ip 12 13 44 45 46 80 80 80 80 80 7

8 9

10

'UBLICITY ISSUED DESCRIPTIONQ

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LNJO4 7

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10 NAME OF PREPARER R. Jutras PHONE:

NRC USE ONLY 80 68 69 80 o

315-343-2110 X1327