ML20023B673

LER 83-061/03L-0:on 830328,one Solenoid Operated Freon Valve Found W/Blown Gasket.Caused by Defective Alco Controls Solenoid Operated Gasket.Valve Reworked W/Valve Repair Kit & New Gasket Installed

ML20023B673
Person / Time
Site:	Grand Gulf
Issue date:	04/27/1983
From:	Rohrer M, Shingleton E MISSISSIPPI POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20023B663	List: ML20023B653 ML20023B673
References
LER-83-061-03L, LER-83-61-3L, NUDOCS 8305050261
Download: ML20023B673 (1)

Text

NRC FORM 386 U. S. leuCLEAA REGULATORY COAe4100lWI

, . s LbCENSEE EVENT REPORT Attachment to AECM-83/0148 Page 1 of 1 CONTROL BLOCK: l l l l l l (PLEAM PRedef OR TYPE ALL REQUIRE 3 leeFOnesATIOeil o i I W sI al m I d .1.j@l o I ol I ol o I ol o I ol-I ol o2hGl284 l LICENSE 111 TYPE I il JO1l@l57 CAT

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7 8 9 UCENSEE CODE 14 15 L6 CENSE NuwSER COR$'T o i = L@l of si o f oiDOCKET o INUMSER 4111 60S of Ss i 21 eIDAVEel sl@l o f 4121 vi eI sl@

74 75 REPORT DATE 80 7 8 30 St EVENT DESCRIPTION AND PROSABLE CONSEQUENCES h EVENT j

o 2 inn March Ja. tems. nomentora reenived an alarm on the Control Room (CR) I o 3 lHVAC svatem. An moerator was disoatched to investicate locally and uponi o 4 larrival at the system comoressors found that one solenoid operated Freoni o s lvalve had a blown aasket. CR Air Conditioning Unit A was declared I o e lincomrable and Action (b.1) of T.S.3.7.2 was entered. The event is i 10171lheine renorted oursuant to T.S.6.9.1.13.b. This,is a final report. I l

o 8 I 30 7 8 9 CODE ODE COnpONENT COOE COOE Sue E7 8 I Sla l@ LFd@ []lJ@ l VI A I LlV I El X lh W@ @ @

9 to 11 12 13 18 19 20 REVISION SE QUENTI AL OCCURRENCE REPORT EVENT YE AR REPORT NO. CODE TYPE No.

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@ ,apy I e I si L_1 1 o 16 I il L'_J l ol 3 i LLJ L-1 L o.J 22 23 24 28 27 29 29 30 31 32

_ 21 AK N A ONPLANT HOURS FOR US. L MA RER la_l@Lz.J@ L2_l@ Lz_)@ lo I ofo I of tLJ@ 44 LN,_j@ [Aj@ l A l 1l7 l 6l@ 47 33 34 35 36 37 48 42 43 44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h

[i lo] IThe cause was a blown casket on the ALCO Controls solenoid operated I

i i Ivalve. The valve was reworked with a valve recair kit and a new teflon i It121laasket was installed. CR Air Conditionino Unit A was not restored I i a lwithin 7 days. therefore. Unit B was placed in the isolated mode until 1 I

i 4 Ithe-Unit A valve was reoaired and restored. 80 i

7 8 9 ST  % POWER OTHER STATU5 DesCOV R otSCOVERY DESCRIPTION 1

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Lus] LLJ @o o,REuAsELI.J@lm A.ouNT o, ACTiv.Tv @ I* i I de 4 30 i 7 81 9 to 11 PERSONNEL EXPOSURES NUVSE R TYPE DESCnePTions 1

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' ' ' PERso~~El',muns Nu .ER oEsCRi,rioN@

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i a 8 9 l o l o lo l@l12m 11 80

, Loss or oR DAuAct To rAciLiTv .3 8305050261 830427

TYPE oESCRIPTioN PDR ADDCK 05000416 8 '3 LLj@l* S PDR 80

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F 8 9 10 ISSU E D RaPTDON L2 Lal L!u@DElm i IIIIlIlliIIIli 7 21 1 10 _

68 69 80 5 M. V. Rohrer & E. B. Shingleton PHONE: $

NAME OF PREPARER

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