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 Rochester Gas & Electric Corp
To:	O'Reilly J NRC/IE, NRC Region 1
References
LER 1976-012-00
Download: ML18142A976 (5)

Text

NRC FORM 195 U.S. NUCLEAR REGULATORY COM 'ION DOCKET NUMBER I2.'IO I FILE NVMOEB NRC QSTB I BUTION I'QB PART 50 DOCI(ET MATERIAL INCIDENT REPORT To:J.P.O"Reilly F"oM: Rochester Gas-'& Elec Corp. DATE OF DOCUMENT Rochester, N.Y.

L.D. White,. Jr. DATE RECEIVED QI.ETTER QNOTOBIZED PROP INPUT FORM NUMBER OF COPIES RECEIVED gQCOPY OB I GINA L g UN C LASS IF I E 0 3

DESCRIPTION ENCLOSV RE Ltr. trans the following....... Licensee Event Report (R.O. ¹ 76-12/3L- 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 Ginna ¹ 1 NOTE: XF PERSONNEL EKPOSURE XS INVOLVED SEND DIRECTLY TO KREGER/J ~ COLLINS SAFETY'RANCH FOR ACTION/INFORMATION ENVIRO SAB 4-28-76 CHIEF: Pur Ile Sl 3 CYS FOR ACTION LIC ~ ASST: S eppard W/ CYS ACRS CYS ENT TO LA INTERNAL D IST Rl BUTION NRC PDR X R E 2 SCHROEDER/IPPOLITO 0

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7 ROCHESTER GAS AND ELECT R .T/ON ~ 89 EAST AVENUE, ROCHESTER, N.Y. 14649 L,EON O. WHlTE. JR. 1ElEPHOVE VICE PIIESIOENT /~ r AIIEA COOE 7III 546-2700 Q re I

April 23, 1976 ~, I >

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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. 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)

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~ pe w P . LER 76-12/3L CONTROL BLOCK:

~ I.IOENSEE EVENT REPORT

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(PLEASE PRINT aLL REaIjlRED Ir4FORMATIOIII) 6 UCENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

[gg N Y R 9 G 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 L0003~I

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7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT OATS

[oa1IcoN'T L ~L 0 5 0 0 2 4 4 0 3 3 1 7 6 0 4 2 -3 7 6 7 8 57 58 59 60 61 68 69 74 75 80 I

EVENT OESCRIPTION Qpg During routine 60 psig pressure decay test of personnel hatch air lock excessive leakage 7 8 9 80 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 80

~os packing gland and tightened. The airlock volume was retested satisfactorily with no 7 8 9 80

~

@pi adjustment required on the redundant door. (Reportable Occurrence 76-12, 30-day) 7 89 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VCIATON IoO~I~ss 9 s s s s s s ~s s 9 9 9 N 7 8 9 10 11 12 17 43 44 47 48 CAUSE OESCRIPTION toOI The shaft packing nut backed off due to repeated door operation during concentrated 7 8 9 80

[opg] maintenance efforts during the refueling outage. Action to prevent recurrence is being 7 8 9 80

~10 investigated.

7 89 METHOD OF FACILITY STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION P~g II ~00 0 NA 7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE s s NA NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES 7 89 11 12 13 PERSONNEL INJURIES 7 89 11 12 80 OFFSITE CONSEQUENCES

~15 NA 7 89 80 LOSS OR OAMAGE TO FACILITY TYPE DESCRIPTION

[sic] H NA 7 89 10 80 PUBLICITY NA 7 89 80.

AOOITIONAL FACTORS 7 89 80 7 89 80 NAME: Charles V. Hartlieb PHoNE 7 1 6/546-2 700, ext. 29 1 -2 1 6 QPQ $ 81