ML17261A914

Forwards LER 89-016-00 Re Possible Failure of Safety Injection Block/Unblock Switch Rendering Some Automatic Actuation Features of Both Trains of Safety Injection Inoperable.Also Reportable Per Part 21

ML17261A914
Person / Time
Site:	Ginna
Issue date:	01/12/1990
From:	MECREDY R C ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17261A915	List: ML17261A914 ML17261A916
References
REF-PT21-90-014-000 PT21-90-014-000, PT21-90-14, NUDOCS 9001240122
Download: ML17261A914 (3)

Text

ACCELERATED D TRZBUTION DEMONS ATION SYSTH.'vI REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9001240122 DOC.DATE: 90/01/12 NOTARIZED:

NO FA'CIL:50-244 Robert Emmet Ginna Nuclear Plant, Unit 1, Rochester G AUTH.NAME AUTHOR AFFILIATION MECREDY,R.C.

Rochester Gas&Electric Corp.RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)DOCKET 05000244

SUBJECT:

Forwards LER 89-016-00 re failure of SI block/unblock switch could render some automatic features inoperable.

W/8 ltr.DISTRIBUTION CODE: IE28T COPIES RECEIVED:LTR ENCL SIZE:-"'I'NOTES:License Exp date in accordance with 10CFR2,2.109(9/19/72).

05000244/RECIPIENT ID CODE/NAME PD1-3 LA JOHNSON,A INTERNAL: ACRS MICHELSON ACRS WYLIE AEOD/DSP/TPAB

.DEDRO IRM/DCTS/DAB NRR/ADSP DIR NRR/DET/EMEB9H3 NRR/DLPQ/LHFB11 NRR/DOEA/OEAB11 NRR/DREP/PRAB1 0 NRR/DRIS/RSIB9A NRR/DST 8E2 NRR/DST/SICB 7E NRR/DST/SRXB 8E NUDOCS-ABSTRACT REGION 1 REGION 3 REGION 5 RES/DSIR/EIB RGN1 FILE 01 COPIES LTTR"ENCL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'ECIPIENT ID CODE/NAME.PD1-3 PD ACRS MOELLER AEOD/DOA AEOD/ROAB/DSP IRM TECH ADV NRR/ADP/DRP14E4 NRR/DET/ECMB 9H NRR/DET/ESGB 8D NRR/DLPQ/LPEB10 NRR/DOEA/OGCBll NRR/DREP/PRPB11 NRR/DRIS/RVIB9D NRR/DST/SELB 8D NRR/DST/SPLB8Dl ILVER,E REG IL5 02 0 2 REGION 4 RES MORISSEAU,D RES/DSR/PRAB COPIES LTTR ENCL 1 1 2 2 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1'1 1 1 1 D D EXTERNAL EG&G WILLIAMS I S L ST LOBBY WARD NRC PDR NSIC MURPHY,G.A 4 4 INFO RECORD CTR 1 1 LPDR 1 1 NSIC MAYS,G.1 1 NUDOCS FULL TXT 1..1 1 1 1 1 1 1'/D NOTE TO ALL"RIDS" RECIPIENIS:

PLEASE HELP US TO REDUCE WASIZl CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT.20079)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISIS FOR DOCUMENTS YOU DON'T NEEDl D S FULL.TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 56 ENCL 55 I t gJ'Q I'SIJ1C ROCHESTER GAS ANO ELECTRIC CORPORATION o 89 EAST AVENUE, ROCHESTER, N K 14649 0001 TELC>~ONf.

AQUA cooa 7ir 5d6 2700 January 12, 1990 U.S.Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Sub)ect: LER 89-016, Due To a Design Deficiency The Failure of the SI Block/Unblock Switch Could Render Some Automatic Actuation Features of Both Trains of SI Inoperable R.E.Ginna Nuclear Power Plant Docket No.50-244 In accordance with 10 CFR 50.73, Licensee Event Report System, item (a)(2)(v)(D) and (a)(2)(vi), which requires a report of,"any event or condition that alone could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate.the consequences of an accident", and in accordance with 10 CFR 21,"Reporting of Defects and Noncom-pliances", the attached Licensee Event Report LER 89-016 is hereby submitted.

Due to the date of the event (1969), the condition is technically not 10 CFR 21 reportable.

However, due to the potential significance of the failure scenario, Rochester Gas&Electric is submitting voluntary notification.

Specific informa-tion regarding failure identification and corrective actions can be obtained from Mr.Richard A.Baker, Electrical Engineering, on.(716)546-2700.This event has in no way affected the public's health and safety.Ve truly yours,.Robert C.M+redy General Manager Nuclear Production xce U.S.Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 Ginna USNRC Senior Resident Inspector 9001a40122 900112 PDR AOOCK 05000244 S F'DC