ML19338G178

LER 80-054/03L-0:on 800926,during Maint Shutdown Period, Scheduled Surveillance Showed Eight Hydraulic Snubbers to Be Inoperable.Caused by One Empty Reservoir,Two Interference Problems & Five Snubbers W/Improper Stroke

ML19338G178
Person / Time
Site:	Fort Saint Vrain
Issue date:	10/24/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19338G153	List: ML19338G152 ML19338G178
References
LER-80-054-03L, LER-80-54-3L, NUDOCS 8010280551
Download: ML19338G178 (1)

Text

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68 69 EV ENT oATE 74 75 REPORT oATE 80 7 8 6e 61 aoCKET NUYSER EVENT DESCRIPTION AND PROSABLE CONSEQUENCES @

l o 121 10n September 26, 1980, during a maintenance shutdown period, a scheduled surveillance I i

[5T31 Ishowed eight hydraulic snubbers. to be inoperable. Since reactor operation had occurred Io64l Iduring the surveillance interval, this was a derraded mode of 1/'.0 4.3.10 and is I l o I s i f reportable per Fort St. Vrain Technical Specification AC 7.5.2(b)2. Related occur- l ioisi jrences are RO's 80-47, 80-27, and 80-04. No affect on public health or safety. I lo til l I I

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33 34 35 36 31 40 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l iia l lThe surveillance revealed the problem with the snubbers were: one empty reservoir, tg _

m Iinterference problems, and five snubbers with fuerocer stroke. Th snubbers were I i,,7i l repaired or adjusted as required and returned to service. The test orecedure was re- l i ,l3 l vised to clarify the measurement procedure. Survaillance interval adjusted to 31 days!

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7 e 9 to 68 69 80 3 NAME OF PREPARER PHONE: (303) 785-2223 2,

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