ML20086H893
| ML20086H893 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 05/16/1975 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086H892 | List: |
| References | |
| AO-75-34, NUDOCS 8401200314 | |
| Download: ML20086H893 (1) | |
Text
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A PIIIII.DSLPH %.E1.ECTRIP,APAtE t**
U P'.;cch Dotto ar'Ato nic pal / Stati'on..; ;
Deltas Pennsylvanin/
(
v 17314 V
.May 16, 1975'
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Mr. Jnnes P. O'Itcilly, Directom.-
Office'of Inspection and: Enforcecontu.
Region 1-United States.!!ucicant(ireguYe.to' rye Cc::mi.ssion
- 631. Park Avenue.
King of Prussia,: Pennsylvania. 1940'5 :-
iSubicce. Abnbreal occurrencef:24-tiour 16tification,,
'Confiming.J.. EranrJhpheno, conrcrsation 1:ith 11r D. I:sphton, Region.1,. Unit.L States.10ucica:- ReguJutory Co::22.ssion.on iSyt16,.1975 4
Reference:
Licenso !O.mber DPR-4'4-Technical. Specification -
Reference:
. 4.5.g.
- Report !?ct. :
S0-277-75-34
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Report Date:
Itay 16, IG75 Occurrence Date:
I'ay 15,197S Facili.ty::
Ponch Botteen Atcmic Power Station.
R.D. 1, Delta, Pennsylvania 17314-Identification of Occurrencee,
Failuro off LS 4221 to. operate SV-4221 :(PJEt loope"A" high point vent) oa low. accumulator IcVel.
Cc.ditic::: I':icr to occurrcncc:-
Unit 2 at full power.
bescription of Occurrenec.:.
C During routine local Icak rato testing of RIM systch valven, it
' was noted that the lou Icyc1 alara did not operare and the vent
- solenoid valve did not open.
This is part of the RIEt piping siny-full systca.
Designation of Apparent Cause.of occurrence:
Under. investigation.
An lycio of Occurrence:
Tite t>afety inplications: are mininal r.ince the systen eas. founds to be full at the start of the loen1 Icak ratec.itect.
Corrective Actica:
C'
' During the tir..o the SV Walve cas out of service, with the. plant in crieration, the hirh point vent uac -
checked to encure a full synten.. Yhe pressuricing systco rc=ined in service during this tino.
Failuru Data:
Tea previous, reported as A0 50-277-75-4. cnd A0 50-273-75-20.-
Very tm)v,h< e, ene
yours j
M"
.m
- 1. T. Ullrich. Luncrintendent Peacit rmrcr.a atucac vower station-8401200314 750523
-=='M PDR ADOCK 05000277
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SOPY SENT REGION S
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