ML19242C776

RO 79-027/01X-0 on 790727:lightning Struck Station Switchyard,Causing Loss of Offsite Power & Reactor Scram. HPCI Was Started for Injecting Water Into Vessel.Relief Valve 203-3A Will Be Replaced & Tested Prior to Restart

ML19242C776
Person / Time
Site:	Pilgrim
Issue date:	07/27/1979
From:	Fulton J BOSTON EDISON CO.
To:
References
NUDOCS 7908130363
Download: ML19242C776 (1)

Text

D.s w.

h

.)

.e i u

g TO -: ,  ; .. .

TELECOPY irJSSACl; -

t 215-337-52/2 Tel ephone Nurnber

• Date-/ Tim : 07/7//79 / 3150 Di s t ctor, kenton I Office of Innpection and I:nfo.ccme.t From: Pilgrim Nucl ea r Power Sta t. ion RFD #1 Rocky 1:111 Road 11 3. Nuc1 car Rey,ulatory Comittv!on Plymout.h,!!A 02360 631 Park Avenuo King of Pru:.nla, PA 1940G ect'. PRO?IPT 1:i:PoitTAitl.E OGClini:F.NCE I<cc ket Number 50-293; I.i cen .c DPR-35

' Ann.igueil IJ.R Number 79-077/OlX-0

. Dc..cripLluu: At 0101 on July 27 1919 lir.ntning struck the station nwitchynrd 9 9_ _f _n_g..losn__ _of off-n.ite power .n n.1 a reacto; ncran. IIPCI van started and uned fer f/]f ;_t i ng _wa

. t er to the vincol.

_ _______ _._.-. - _. _ _ _. _ _ A _. ill;,b water inolation wa ; received and n anua l nctuatIon v fl. S. He]Ief Vavle 703-lD ve neceenarv to lower renctor pressure. _ _ _ . _ _ _ . . . _ __ _

Sebot <tuent, to_ _ _ _ _ tin-n:__

te: ore :> f RV 203-3D, it o;> c o rd auto.catically and con t. I m ed to cycle nut il reactor premius

,Tr_ ;;wd approxicatelv 600 PsIG. An coo l ,iown contiaoed, a t. app rox ln. at

, R _y.. I SU-~PS IC , HV 2(Tr MX:'F.*,0CD~.w.0Ar.C" AU!T. .d.'.7. I. t a l l p ipe t c npe r a_ t._u_ r._ e_i_n__c r. ea s e d indicat.ing ponsible st. nii leC

~

'r i AND CO;tRf*CTIVE ACTIO;:I Helicf v.ilvo 203- J A wi l.1 be replaced, the actuator on RV 200 tr l ' be replaced and both tented prfor r

tu ntartne.

_~..-....__.-...

T-s _ . . _ . _ _ _ -

h$m.ity  ! Stattir Ij)Q % Timtral mi rpu t ine Startup Rintiae Shutdoun g) :;hu t do un_

h) Refueling S*eady Stat.e_ L _ _ _ _ . 1) Other

!caad Ch mg.Ing _ _ _ j) 1:ot Applicaple hldetten follow-up report utlJ be s c a t. within two weekn.

( r::an not.lfied r. R. Architzel Prepared by Mr. J. ru t t on

. B p' ,',

2) cop ce to:

lector Oj ji cc of tena :cment Inf ornatican c.nd Program Control 7908-13 e e c r

V 6. Maclear Regulatory Co m.Inaion (c, L ing r ou , D.C. 205$5 .