ML20040G951

LER 82-001/03L-0:on 820108,18 Snubbers Found Inoperable During Surveillance Testing,Indicating Inoperability During Reactor Operation.Caused by Seal Leakage & Deficiencies in Piston Position & Oil Level.Snubbers Repaired

ML20040G951
Person / Time
Site:	Fort Saint Vrain
Issue date:	02/05/1982
From:	Fuller C PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20040G936	List: ML20040G935 ML20040G951
References
LER-82-001-03L, LER-82-1-3L, NUDOCS 8202160655
Download: ML20040G951 (1)

Text

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- NRC FCRM 366 (777h*

LICENSEE EVENT REPORT

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lO lil8 9l Cl of Fl Sl Vl 1l@l O f 0l -l 0 LICENSE l 0l 0l nl n l -l nl nl@l NUMBER 26 264 l LICENSE l l I l 2l TYPE0l@l JO l

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? 8 61 NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10121 l During Surveillance Testing in January,1982, with the plant shutdown, eighteen I

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Class I hydraulic shock suppmssors (snubbers) wem found to be inoperable. Since i

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considered to have been inoperable during reactor operation. This is a degraded mode _j o ,  ; of LC0 4.3.10 and is reportable per Fort St. Vrain Technical Specification 1

g,,y ,AC 7.5.2(b)2. Related mports

R0's81-026, 81-038,81-051, 81-056,81-059, 81-064, l 81-074. No affect on public health or safety. . l E CODE S 8C E COMPONENT CODE SU8 CODE SU E l0l9l l Hj Bl@ @ [X_J @ lS I U l P l 0 I R lT l@ [0_j@ L1J 20 10 12 13 18 19 7 8 9 11 REVISION SEQUENTIAL OCCURRENCE REPORT EVENT YE AR REPORT NO. CODE TYPE N O.

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44 47 33 CAUSE DESCRIPTION AND COR9ECTIVE ACTIONS h li l O l l arious V causes deemed the snubbers inoperable, such as seal leakace , piston position. I i i l and oil level. The snubbers wem ' rebuilt. filled. nurged: an d tac toa ne nee ded . All I i,i2, isnubbers wem re-installed in system and classified operable. The surveillance has I l i l 31 l been adjusted to 31 days 25% as per the Technical Specification. I I

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