05000244/LER-1979-020-03, /03L-0:on 791009,during Snubber Insp,Snubber in Position MS146 Found W/No Accumulator Level.Caused by Movement of Pipe Resulting in Wear on Accumulator & Eventual Failure of Shaft Seal.Unit Replaced W/Spare

/03L-0:on 791009,during Snubber Insp,Snubber in Position MS146 Found W/No Accumulator Level.Caused by Movement of Pipe Resulting in Wear on Accumulator & Eventual Failure of Shaft Seal.Unit Replaced W/Spare

ML17261A146
Person / Time
Site:	Ginna
Issue date:	11/07/1979
From:	Spector S ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17249A258	List: 05000244/LER-1979-020, Forwards LER 79-020/03L-0 05000244/LER-1979-020-03, /03L-0:on 791009,during Snubber Insp,Snubber in Position MS146 Found W/No Accumulator Level.Caused by Movement of Pipe Resulting in Wear on Accumulator & Eventual Failure of Shaft Seal.Unit Replaced W/Spare
References
LER-79-020-03L, LER-79-20-3L, NUDOCS 7911140239
Download: ML17261A146 (2)

LER-1979-020, /03L-0:on 791009,during Snubber Insp,Snubber in Position MS146 Found W/No Accumulator Level.Caused by Movement of Pipe Resulting in Wear on Accumulator & Eventual Failure of Shaft Seal.Unit Replaced W/Spare

Event date:
Report date:
2441979020R03 - NRC Website

text

U. S. NUCLEAR REGULATORY COMMISSION 79-020/03L-0 t

LICENSEE EVEAIT REPORT

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Qi (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATIONI 1

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9 Q 60 61 DOCKET NUMBER 68 69 EVENT DATE 74

'75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 uring snubber inspection snubber in position MS 146 (top) was found with no accumulator level.

Unit was replaced with a new factory tested spare 4

(T.S. 3. 13. 1)

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Constant movement of i e resulted in wear on accumulator, tube, iston, shaft, check valves and eventual failure of the shaft seal.

The unit is a Bergen-Paterson model HSSA-30.

Inspection of snubbers willcontinue as dictated by the Technical Specification.

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FACILITY M3O METHOD OF STATUS

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9 10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ LOCATIONOF RELEASE Q 6

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10 44 PERSONNEL EXPOSURES NUI'ABER TYPE

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11 12 13 PERSONNEL INJURIES 7

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11 12 LOSS OF OR DAMAGETO FACILITY 43 TYPE

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10 PUBLICITY 7

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10 NAME OF PREPARER S. Spector 7911140 ~t 80 80 NRC USE ONLY 80 68 69 80 o PHDNE. 716/546-2700, ext. 29 1-2 15

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