05000333/LER-1985-001, :on 850104,HPCI Steam Supply Isolation Valve Breaker Alarm Relay Failed.Necessary Repairs Resulted in HPCI Sys Being Declared Inoperable for 2 1/2 H.Caused by Faulty Dc Coil

:on 850104,HPCI Steam Supply Isolation Valve Breaker Alarm Relay Failed.Necessary Repairs Resulted in HPCI Sys Being Declared Inoperable for 2 1/2 H.Caused by Faulty Dc Coil

ML20105B343
Person / Time
Site:	FitzPatrick
Issue date:	01/25/1985
From:	Glovier H, Liseno R POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
JAFP-85-0078, JAFP-85-78, LER-85-001, LER-85-1, NUDOCS 8502070108
Download: ML20105B343 (2)

LER-1985-001, on 850104,HPCI Steam Supply Isolation Valve Breaker Alarm Relay Failed.Necessary Repairs Resulted in HPCI Sys Being Declared Inoperable for 2 1/2 H.Caused by Faulty Dc Coil

Event date:
Report date:
3331985001R00 - NRC Website

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, n ei While operating at full power the llPCI steam supply isolation valve breaker alarm relay failed.

Repair necessitated both the closing of the llPCI steam supply isolation valve and de-energizing the supply breaker for a period of 2-1/2 hours. This resulted in the llPCI system being declared inoperative and surveillance on redundant systems performed per Technical Specifications Section 3.5.C and 4.5.C.

The DC coil on the alarm relay failed. The failure of the alarm relay did not prevent automatic operation of the valve but repairs required de-energizing the breaker.

Since the redundant ADS system and RCIC were available this event did not represent a serious degradation of the public's health and safety.

8502070100 050125 PDR ADOCK 05000333 9

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James A. F6t; Pat,lck ruclear Power Plant PO. Box 41 Lycoming, New York 13093 315 342 3840 Harold A.Glovier

1. > NewYorkPbwer

& Authority January 25, 1985 JAFP-85-0078 United States Regulatory Cmmission Document Control Desk Washington, DC 20555

REFERENCE:

DOCKET No. 50-333 LICENSEE EVENT REPORT: 85-001-00

Dear Sir:

We have enclosed the referenced Licensee Event Report in accordance with 10CFR50.73.

If there are any questions concerning this report, please contact tir.

Robert Liseno at 315-342-3840, extension 220.

Very truly yours, f.

cs.<a.u a DLD A. GIDVIER HAG:R nan CC: USNRC, Region I (1)

INFO Records Center, Atlanta, Ga. (1)

American Nuclear Insurers (1)

Internal Power Authority Distribution i

NRC Resident Inspector Docunent Control Center LER/0R File

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