ML17264B125

Forwards LER 97-055-00 Re Undetected Unblocking of SI Actuation Signal Occurrence While at Low Pressure Condition Due to Faulty Bistable Which Resulted in Inadvertent Safety Injection Actuation

ML17264B125
Person / Time
Site:	Ginna
Issue date:	12/01/1997
From:	Mercredy R ROCHESTER GAS & ELECTRIC CORP.
To:	Vissing G NRC (Affiliation Not Assigned), NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17264B126	List: ML17264B125 ML17264B127
References
NUDOCS 9712050122
Download: ML17264B125 (2)

Text

CATEGORY 1 REGULA RY INFORMATION DISTRIBUTIO SYSTEM (RIDS)

ACCESSION NBR:9712050122 DOC.DATE: 97/12/01 NOTARIZED: NO FACXL:50-244 Robert Emmet Ginna Nuclear Plant, Unit 1, Rochester G DOCKET 05000244 I

AUTH.hTAME AUTHOR AFFILIATION MERCREDY,R.C. Rochester Gas 5: Electric Corp.

RECIP.NAME RECIPIENT AFFILIATION VISSING. Document Control Branch (Document Control Desk)

SUBJECT:

Forwards LER 97-055-00 re event or conditions that resulted in manual or automatic actuation of any ESF.LER attached.

DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR ENCL TITLE: 50.73/50.9 Licensee Event Report (LER), J Incident Rpt, etc.

g SIZE: +

NOTES:License Exp date in accordance with 10CFR2,2.109(9/19/72). 05000244 RECIPIENT COPIES RECIPIENT COPIES XD CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD1-1 PD 1 1 VXSSING,G. 1 1 INTERNA D RAB 2 2 AEOD/SPD/RRAB 1 1 F1XK~E ER 1 1 NRR/DE/ECGB 1 1 1 1 NRR/DE/EMEB 1 1 NRR/DRCH/HHFB 1 1 NRR/DRCH/HICB 1 1 NRR/DRCH/HOLB 1 1 NRR/DRCH/HQMB 1 1 NRR/DRPM/PECB 1 1 NRR/DSSA/SPLB 1 1 NRR/DSSA/SRXB 1 1 RES/DET/EIB 1* 1 RGN1 FILE 01 1 1 EXTERNAL: L ST LOBBY WARD 1 1 LXTCO BRYCE,J H 1 1 NOAC POORE,W. 1 1 NOAC QUEENER,DS 1 1 NRC PDR 1 1 NUDOCS FULL TXT 1 1 NOTE TO ALL "RIDSN RECZPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LIST OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTRC DESK (DCD) ON EXTENSION 415-2083 FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 24 ENCL 24

4ND ROCHESTER GAS AIVDElECTRIC CORPORATION ~ 89 EASTAVEhlUE, ROCHESTER, iV.Y. Id6d9.0001 AREA CODE 7I6 5'.22'00 ROBERT C. MECREDY Vice President

, Nvcteor operations December 1, 1997 U.S. Nuclear Regulatory Commission Document Control Desk Attn: Guy S. Vissing Project Directorate I-1 Washington, D.C. 20555

Subject:

LER 97-005, Undetected Unblocking of Safety Injection Actuation Signal While at Low Pressure Condition, Due to Faulty Bistable, Resulted in Inadvertent Safety Injection Actuation Signal R.E. Ginna Nuclear Power Plant Docket No. 50-244

Dear Mr. Vissing:

In accordance with 10 CFR 50.73, Licensee Event Report System, item (a) (2) (iv), which requires a report of, "Any event or condition that resulted in a manual or automatic actuation of any engineered safety feature (ESF)", the attached Licensee Event Report LER 97-005 is.

hereby submitted.

This event has in no way affected the public's health and safety.

Very truly yours, Robert C. Mecred xc: Mr. Guy S. Vissing (Mail Stop 14B2)

PWR Project Directorate I-1 Washington, D.C. 20555 U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 Ginna Senior Resident Inspector 97i2050i22 97i20i 05000244 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII PDR ADOCK '\

8 PDR