ML20085E468

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LER ER-76-027:on 760823,as-found Leakage Rate Found Unacceptably High During Quarterly Testing of Penetration 1 (Purge Air Supply CV1808).Caused by Recent Mod to Valve Stem multi-ring Packing Grease Fitting
ML20085E468
Person / Time
Site: Palisades Entergy icon.png
Issue date: 09/07/1976
From: Bixel D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
LER-ER-76-027, LER-ER-76-27, NUDOCS 8308120247
Download: ML20085E468 (2)


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LICENSEE EVENT REPgT CONTROL BLOCK:

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[PLEASE PRINT ALL EE!UIRED INFO!MATION) 1 6

NAME LCENSE NUMBER E

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0 I u I 1I vl Al d 1 l l 0l 0l-l 0 l 0l 0l0 l 0 l-l0 l0l l h l 1 l1l 1l 1l l0l1l 7 89 14 15 25 28 30 31 32 REPORT REPORT TYPE SOURCE DOCMT NUMDER EVENT DATE REPORT DATE

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EVENT DESCRIPTION BE I During quarterly testing of penetration #1 (Purge Air Supply CV1808) the as found l

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@l l 1eakare rate was unacceptably hich. This caused the total local leak rate to be l

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_ _, @ l above Technical Specifications limit.

Valve packing was the source of the leakage, l

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$ l ret > airs were t-ade and an neceptable test run (ER-76-27).

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7 09 00 pmE DE CODE COMPONENT CODE TUE R WXATON m l si nl [cJ IV l^ ILI vi Elxl l Al lC 15 l 8 l 7 l

[YJ 7 00 10 11 12 17 43 44 47 48 CAUSE DESCR:PTION gg l The valve ster packing is a multi-ring packing with a grease fitting located l

7 09 60 M l between two rings of packing. Recent modification to the grease fitting contrib-l 7 09 80 QE l uted to the observed Icakage by permitting leakage through the fitting.

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% POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTON W

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10 12 13 44 45 46 80 ELE SED OF RE SE AMOUNT OF ACTMTV LOCATON OF RELEASE W

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10 11 44 45 80 PERSONNEL EXPOSURES NUMDER TYPE' DESCRtPTON Q l0l0l01 Wl NA l

7 89 11 12 13 80 PERSONNEL INJURIES NUMBE R DESCRIPTON H I of l l l

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7 89 11 12 80 PROBABLE CONSEQUENCES DE l None - The inner valve was tested and found acceptabic.

l 7 09 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTON g3 ]

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7 00 10 80 PUDI.lCITY l None 1

l 7 00 00 ADDITIONAL FACTORS Q l (Contd From Line 10) All modified grease fittings vill be replaced with the l

/ 00 00 g l original design.

l 7 Ou 8308120247 760907 uO PDR ADOCK 05000255 S

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Consumers i

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D General Offices: 212 West Michigan Avenue. Jackson, Michigan 49201. Area Code D17 788-0560 September 7, 1976 Lo

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1 Mr Jares G. Keppler

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p Office of Inspection & Enforcement Region III (3, u.S.sgegaggwa f

US Nuclear Regulatory Commission

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799' Roosevelt Road Glen Ellyn, IL 60137 Z[#

DOCKET 50-255, LICENSE DPR-20 PALISADES PLANT, ER-76-27 CONTAIUMENT PURGE SUPPLY VALVE Attached is a reportable occurrence which relates to the Palisades Plant.

David A. Bixel (Signed)

David A. Bixel Assistant Nuclear Licensing Administrator O

COPY SENT REUf-

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