ML20004D688

LER 81-029/03L-0:on 810420,1D Emergency Diesel Engine of 1B Emergency Generator Set Failed Weekly 50% Load Test. Caused by Failed Injector 1.Injector & Precombustion Chamber Replaced & Generator Returned to Svc

ML20004D688
Person / Time
Site:	Fort Saint Vrain
Issue date:	05/20/1981
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20004D670	List: ML20004D669 ML20004D688
References
LER-81-029-03L, LER-81-29-3L, NUDOCS 8106090649
Download: ML20004D688 (1)

Text

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NRC FORM 366 U. 8, NUCLEAR REGULATORY COMMISSION (7 77)

LICENSEE EVENT REPORT CO TROLstOCm l I I I I I l@ (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) iT 7 8 9 l C l LICENSEE 017 ICODE S I v l14 i l@l 15 o lo l- l oLICENSElo loNUMSER lo lo l- 10 lo l@l4 25 26 11 LICENSE 11 12TYPE loJOl@l57 CAT l l@

58 CON'T lol11 SOURCs i @ l n I c; In ln ln 19 68I A 69l7 hlo 1412 l0 l8 Il hlo 15 14 75 l2 lo l8 Il30l@

REPORT QATE 7 8 60 61 COCKET NUMSER EVENT QATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10121 l_Ihetl.D ama,7am cacol encine of 13.fa;Lergency ggnerator. set failed the weekly I t o 1al l 50% load test. This is reportable oer Fort St. Vrain Technical Soecification l l I o 14 l l AC 7.5.2(b)2 as a degraded mode of LCO 4.6.1.d. There was no affect on oublic l 1

loisl l health or safety. Redundant system ava11able and ouerable. No similar occurrence. I r

l 0 l6 l l 1 10171 l l 10181l I E COE S SC E COMPONENT CODE SUSCODE SU E lol91 7 .8 9 l E l Dlh lE lh lB lh l Gl El Nl El Rl Alh I Dl@ l Zlh to 11 12 13 18 19 20

,,,, SEQUENTIAL CCCURRENCE REPORT R EVISION ggfgo EVENT YEAR REPORT NO. CODE TYPE N O.

@ s(ugas 18 li i 1-1 lo 1219 I 1/l I o f 31 iLI l-l lo I '

_ 21 22 2' 24 26 27 29 29 30 31 32 N AC ON O P NT ME HOURS S8 i FOR 8. SUP LIE MAN FA ER '

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M 34 35 3/ @ 41 42 4 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 11 loilThe ID emergencv diesel eneine was inocer ble due to a failed #1 iniector. The in- 1 I i 11 1 1 iector and the orecombustion chamber were reolaced. the emerzenev cenerneor receaeed. I i, ,2i l and returned to service. The surveillance test was successfully comoleted. I Ii1all The unit is a Catereillar D-398. l l i l 41 I I 7 8 9 30

$T  % POWER OTHER STATUS IS RY DISCOVERY CESCRIPTION l1 l5* l Wh Io l 5 l o lhlN/A I Whl Personnel Observation l  ;

ACriviTv CC'NTENT C;ELEASED OF RELEASE AMOUNT CF ACTlvtTY LOCATION OF RELEASE l1 l6llZlh

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PERSONNEL EXPOSURES ,

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PERSO~~d'i~3uLS NUM8ER DESCRIPTION li t a8 l9I ol o l nl@l12 N/A 7 11 I ,

80 i LOSS OP OR DAMAGE TO FACILITY Q l TYPE DESCRIPTION v '

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