ML18142A976

LER 1976-012-00 for R.E. Ginna, Containment Personnel Airlock Handwheel Shaft Seal Excessive Leakage During Testing

ML18142A976
Person / Time
Site:	Ginna
Issue date:	04/23/1976
From:	White L D Rochester Gas & Electric Corp
To:	O'Reilly J P NRC/IE, NRC Region 1
References
LER 1976-012-00
Download: ML18142A976 (5)

Text

NRC FORM 195 I2.'IO I NRC QSTB I BUTION To:J.P.O"Reilly U.S.NUCLEAR REGULATORY COM'ION I'QB PART 50 DOCI(ET MATERIAL F"oM: Rochester Gas-'&Elec Corp.Rochester, N.Y.L.D.White,.Jr.DOCKET NUMBER FILE NVMOEB INCIDENT REPORT DATE OF DOCUMENT DATE RECEIVED QI.ETTER g OB I GINA L QCOPY QNOTOBIZED g UN C LASS IF I E 0 PROP INPUT FORM NUMBER OF COPIES RECEIVED 3 DESCRIPTION Ltr.trans the following.......

ENCLOSV RE Licensee Event Report (R.O.¹76-12/3L-30 day report)on 3-31-76 Concerning Containment pers nn sonnel airlock handwheel shaft.seal excessive leakage durning testing.......

(30 Carbon Cys.Received)" DO NOT P.FMOXS ,<hCKNOWL~~

Et-I PLANT NAtiiE: RE Ginna¹1 NOTE: XF PERSONNEL EKPOSURE XS INVOLVED SEND DIRECTLY TO KREGER/J~, COLLINS SAFETY'RANCH CHIEF: Sl 3 CYS FOR ACTION LIC~ASST: W/CYS ACRS CYS FOR ACTION/INFORMATION Pur Ile S eppard ENT TO LA ENVIRO SAB 4-28-76 INTERNAL D IST Rl BUTION NRC PDR X R E 2 SCHROEDER/IPPOLITO 0 NOVAK CHECK.R HES&JFN E 7 TEDESCO HACCA StiAO VOL'LHER~HUNCH KRE ER CO NS LPDR TXC NSXC EXTERNAL DISTRIBUTION CONTROL NUM BE R ("

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-eUIBIOry QOCl[er~r'"<rli8'rr~Arr~4 89 EAST AVENUE, ROCHESTER, N.Y.14649 1ElEPHOVE AIIEA COOE 7III 546-2700 April 23, 1976~, I><7~~i.,Mll fii'<~PI'It2~7 ROCHESTER GAS AND ELECT R.T/ON~L,EON O.WHlTE.JR.VICE PIIESIOENT

/~Q re r I Ql;pgg6&4Q~<~-,,)~+Mr.,James P.O'Reilly, Director U.S.Nuclear Regulatory Commission Office of Inspection and Enforcement Region I 631 Park Avenue King of Prussia, Pennsylvania 19406

Subject:

Reportable Occurrence 76-12 (30-day report), Containment personnel airlock handwheel shaft seal excessive leakage during testing R.E.Qinna Nuclear Power Plant, Unit No.1 Docket No.-50-244

Dear Mr.O'Reilly:

In accordance with Technical Specifications, Article 6.9.2b, the attached report of Reportable Occurrence 76-12 (30-day)is hereby submitted.

Two additional copies of this letter and the attachment are enclosed.Very truly yours,~JZ~L.D.Whf.e, Jr.Attachment cc: Dr.Ernst Volgenau (30)Mr.William G.McDonald (3) fi 0~g 1I ,l tf k I'1

~pe w P CONTROL BLOCK: UCENSEE NAME[gg N Y R 9 G 1 0 7 89 14 15.LER 76-12/3L~I.IOENSEE EVENT REPORT~(PLEASE PRINT aLL REaIjlRED Ir4FORMATIOIII) 6 LICENSE EVENT LICENSE NUMBER TYPE TYPE 0 0 0 0 0 0-0 0 4 1 1 1 1 L0003~I 25 26 30 31 32 REPORT CATEGORY TYPE[oa1IcoN'T

~L 7 8 57 58 59 REPORT SOURCE DOCKET NUMBER~L 0 5 0-0 2 4 4 0 60 61 68 69 EVENT DATE REPORT OATS 3 3 1 7 6 0 4 2-3 7 6 74 75 80 EVENT OESCRIPTION Qpg During routine 60 psig pressure decay test of personnel hatch air lock excessive leakage 7 8 9 80 I as observed from an outer door handwheel shaft packing.Leakage from an air lock 7 89 80 shaft packing was previously reported 3/30/70.The packing nut was threaded back in 7 8 9~os packing gland and tightened.

The airlock volume was retested satisfactorily with no 80 7 8 9 80~@pi adjustment required on the redundant door.(Reportable Occurrence 76-12, 30-day)COMPONENT MANUFACTURER N 44 48 7 89 PRME SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE SUPPUER VCIAT ON IoO~I~ss 9 s s s s s s~s s 9 9 9 7 8 9 10 11 12 17 43 47 CAUSE OESCRIPTION toOI The shaft packing nut backed off due to repeated door operation during concentrated 80 7 8 9 80[opg]maintenance efforts during the refueling outage.Action to prevent recurrence is being OTHER STATUS AOOITIONAL FACTORS 7 8 9~10 investigated.

7 89 FACILITY STATUS%POWER P~g II~00 0 NA 7 8 9 10 12 13 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY s s NA 7 8 9 10 11 PERSONNEL EXPOSURES 7 89 11 12 13 PERSONNEL IN JURIES 7 89 11 12 OFFSITE CONSEQUENCES

~15 NA 7 89 LOSS OR OAMAGE TO FACILITY TYPE DESCRIPTION

[sic]H NA 7 89 10 PUBLICITY NA 7 89 METHOD OF DISCOVERY 44 45 46 44 45 DISCOVERY DESCRIPTION LOCATION OF RELEASE NA 80 80 80 80 80 80 80.7 89 80 7 89 NAME: Charles V.Hartlieb 80 PHoNE 7 1 6/546-2 700, ext.29 1-2 1 6 QPQ$81