ML18346A253

LER 1980-046-00 for Palisades Nuclear Plant, Hydraulic Snubber Failure

ML18346A253
Person / Time
Site:	Palisades
Issue date:	01/14/1981
From:	Hoffman D Consumers Power Co
To:	Keepler J NRC/IE, NRC/RGN-III
References
LER 1980-046-00
Download: ML18346A253 (2)

Text

consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

• i517) 788-0550 January l4, l98l Mr James G Keppler Office of Inspection and Enforcement Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60127 DOCKET 50-255 - DPR PALISADES PLANT - LICENSEE EVENT REPORT 80~046 -

HYDRAULIC SNUBBER FAILURE On the reverse side is LER 80-046 which is reportable under Technical Specifi-cations 6.9.2.B(2).

David P Hoffman Nuclear Licensing Administrator CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector, Palisades Plant

NRCFORM366 C7-77J

• PALISADES PLANT U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I 1

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10 I PLEASE PRINT OR TYPE ALL REQUIRED INFDRMATIDNI

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80 10 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

I During routine surveillance testing* of hydraulic snubbers, snubber S-5

[]:[D I (main steam line) was determined to be inoperable due to no visible

[))IJ I oil level. Reportable per TS 6.9.2.B2 and TS 3.20. See LER 80-16 for

[))]) I similar occurrence. No threat to public health.. or safety resulted. r

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7 8 9 10 11 12 SEQUENTIAL 13 OCCURRENCE 18 19 REPORT

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@ LER/RO LVENTYEAR REPORT NO. CODE TYPE NO.

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" 47 CAUSE DESCRIPTION ANO CORRec*rrve ACTIONS @ .

DJ)) I Loss of oil caused by failed 0-rings~ Snubber was replaced w~th new unit.

OJI] Replacement of hydraulic snubbers with mechanical units is being evaluated.

c:rrn IIIIJ lIEJ 7 8 9 80 FACILITY ~ METHOD OF * ~

STATUS  % 'OWER OTHER STATUS ~ DISCOVERY DISCOVERY DESCRIPTION ~

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. S AEnVITY cd~TENT 12 ll 4" 45 46 80 RELEASED OF RELEASE AMW'r OF ACTIVITY . LoCATION OF RELEASE

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Em .. UMllEA DESCRIPTION\!!!

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'UBLICITY t::'\ NRC use ONLY r::-r:::'1 ISSUED!'.:'::\ OUCRll'TION ~

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