05000321/LER-1980-116-03, /03L-0:on 801105,reactor Recirculation Pump a Motor Generator Tripped.Cause Unknown.Generator Set Restarted & No Problems Found

/03L-0:on 801105,reactor Recirculation Pump a Motor Generator Tripped.Cause Unknown.Generator Set Restarted & No Problems Found

ML19345B314
Person / Time
Site:	Hatch
Issue date:	11/18/1980
From:	Baxley S GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345B312	List: 05000321/LER-1980-116, Forwards LER 80-116/03L-0 05000321/LER-1980-116-03, /03L-0:on 801105,reactor Recirculation Pump a Motor Generator Tripped.Cause Unknown.Generator Set Restarted & No Problems Found
References
LER-80-116-03L-01, LER-80-116-3L-1, NUDOCS 8011280062
Download: ML19345B314 (2)

LER-1980-116, /03L-0:on 801105,reactor Recirculation Pump a Motor Generator Tripped.Cause Unknown.Generator Set Restarted & No Problems Found

Event date:
Report date:
3211980116R03 - NRC Website

text

-

(1 77)

LICENSEE EVENT REPORT f

co anot utoce: [

] _[ l l

l l@

(PLE ASE PRIN T OH 1YPE ALL HLOUinLD INF ORP.1ATioM t

i o

fiiTil l Gl Al El Il Hl lj@[ 0 ] 0 l -l 0 l 0 l 0 ] 0 l 0 l - l 0 l O l@[ 4 l 1 l 1 l 1 l 1 l@l l

Jg I

H 9 LICL N,L t (UDE 14 l i, lit L td A f L JYllL H 43 2ti LIC t f. A 1)PL JO

• > l LAI M i

c' fir ]

'$c" [ lj@[ 0l 5l 0l 0 l 0 l 3l 2 l 1 }@l 1 l 1 l 0 l 5 l 810 l@[ 1 l 1 l1 l 8l 8 l O l@

i B

00

(,1 t;OJ E I NgYL(It

( 4.1 LJ E VE N T (J Al t.

14 l'*

Hf.PC,H T DA11 Ed d EVEN r otScniPriou Ano enouAnu CONSEQUENCES @

f'TR I During normal operation while laborer crew was decontaminating "A" reactor recircula-l [JTA Lti n pump t r generator set, the motor generator tripped from unknown cause.

Ini-l [o 141 [ tiated 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> L.C.O. per Tech. Specs. 3.6.J.2.

This event is not repetitive and l

[O l.,j [ there were no effects upon public health and safety due to this event.

l l2JA.} l I

l I

o >

l0liCl l

7 8 9 60 S YST EM

CAUSE

C AUSE COVP.

VALVF COOi CODF SUDCODE COMPONEN1 CODE SUBCCDE SueCODE Ic lB l@ l xl@ l zl@ l z I z l z l z lz i z l@ tzJ@ Lzj @

<> 9 7

8 9

10 13 12 13 18 19 m

SE QUE NT I AL OCCU R RE r.CE REPORT REVISION LEH HO EVE NT YE AR HLPOHT NO.

CODE TYPE NO.

@ gt,r,gt 18l0l l-l l1l1l6l l/l l0 l3 l lL l l_l l0 l 21 22 23 24 2ti 21 28 29 30 31

'il TAKEf A 11C f ON PL A T T O HOURS SUR I FO 1 08.

U FLIE MAP FA TLREn

() l33X I@L.z_J@ l B !@

I zi@

l 01010 l s l L1j@

INlg lzl@

l z l 9 l 9 l 9 l@

34 J5 at, 31 49 41 47 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h li l o l l "A" reactor recirculation pump motor generator set tripped from unknown cause while l

li j il l room was being decontaminated by laborer personnel.

Plant Electrical Department i

j,,,, l could not find any faults to cause trip.

"A" reactor recirculation pump motor gener,

i,i3j ] ator set was restarted and no problems found.

Terminated 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> L.C.0. and re-l l turned unit to normal operation.

l 7

8 9 80 SIA S

% POWE R OTHE R ST ATUS ISC FY DISCOVEAY DESCRIPTION l E l@ l 0l 7l 8l@l NA l A l@l Operator Observation l

i 5 ACitVITY CONTENT nEtre.SEo oF AELE ASE AMOUNT OF AC11VITY LOCATION OF RELEASE W Q ygl NA l

l NA l

i c 7

8 9 10 11 44 45 80 PE RSONNE L E nPOSURES NUMB E ri TYPE

DESCRIPTION

l0l0l0l@lzl@l NA l

i 7

' unSONNEL.N;uFiES O E Sc a,P T,0~ @

NuMnEn [0l0l0l@l NA l

i a 7

8 9 11 12 80 LOSS OF OH D A*A AGE TO F ACite TY TYPE DE SCHiP flON lzl@l NA l

7 H 9 10 80 b;s i(15@DESCHIPilON

'- R" F7 0 061 PUR L ICi f Y i 4 unc usE oNov l

NA l

lllllllllllll}

2 o 7

H 9 IO 68 69 80 S.X. Baxlev. Sunt. Operations PHoye:(912) 367-77R1 2,

NAME oF PnEPAREH

LER #:

50-321-1980-116

({}

Licensee:

Georgia Power Company Facility Name:

Edwin I. Hatch Docket #:

50-321

Narrative

Report for LER 50-321-1980-116 During normal operation, the "A" reactor recirculation pump motor generator set tripped.

Investigation of motor generator room was initiated and. unit was placed in a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> L.C.O. for one pump operation.

Several plant laborers were in the room decontaminating area at the time of trip. No reason for trip was evident. The Plant Electrical Department checked for faults and none were found.

Motor generator was restarted and returned to normal operation and L.C.0. was terminated.

Personnel in area were instructed to use caution when decontaminating near operating equipment.

This is not a repetitive occurrence. There were no effects upon public health and safety due to this event.

.l O

t O

• l