05000267/LER-1981-043-03, /03L-0:on 810717 & 0807,reactor Operated at Power W/One Class I Snubber Inoperable.Caused by Empty Oil Reservoirs on BFS-398E & MSS-149 Due to Leaking Fitting on Valve Block & Leaking Piston Seal.Fitting Tightened

/03L-0:on 810717 & 0807,reactor Operated at Power W/One Class I Snubber Inoperable.Caused by Empty Oil Reservoirs on BFS-398E & MSS-149 Due to Leaking Fitting on Valve Block & Leaking Piston Seal.Fitting Tightened

ML20010G318
Person / Time
Site:	Fort Saint Vrain
Issue date:	08/14/1981
From:	Mcbride L PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20010G314	List: 05000267/LER-1981-043, Forwards LER 81-043/03L-0.Detailed Event Analysis Encl 05000267/LER-1981-043-03, /03L-0:on 810717 & 0807,reactor Operated at Power W/One Class I Snubber Inoperable.Caused by Empty Oil Reservoirs on BFS-398E & MSS-149 Due to Leaking Fitting on Valve Block & Leaking Piston Seal.Fitting Tightened
References
LER-81-043-03L, LER-81-43-3L, NUDOCS 8109150584
Download: ML20010G318 (1)

LER-1981-043, /03L-0:on 810717 & 0807,reactor Operated at Power W/One Class I Snubber Inoperable.Caused by Empty Oil Reservoirs on BFS-398E & MSS-149 Due to Leaking Fitting on Valve Block & Leaking Piston Seal.Fitting Tightened

Event date:
Report date:
2671981043R03 - NRC Website

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NRC FORM M U. S. NUCLEA2 RE2ULATCCY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: l l

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I I lh (PLEASE PRINT OR TYPE JtLL REQUIRED INFORMATIONI i

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8 60 61 OOCKET NUM8ER 68 69 EVENT OATE 14 7S REPORT DATE 80 EVENT DESCRIPTICN AND PROB ABLE CONSEQUENCES h lo l2l l On July 17, 1981, and on Augus t 7,1981, the reactor operated at power with one l

50,3; l Class I snubber inoperable.

In each instance, the snubber was declared inoperable J 101411 due to an ec:pty oil reservoir.

Degraded mode of LCO 4. 3.10.

Reportable per Fort St. I l o I s I l Vrain Technical Specification AC 7.5.2(b)2.

No accocipanying occurrence. No af fect onj 10 is I l public health or safety. Similar occurrences are R0 81-032 and R0 81-040.

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40 el 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i l 0 l l 0il reservior on BFS-39E emptv due to le akin g fittine on valve block. Oil reservior l li ;i j l On MSS-149 ec:pty due to leaking piston seal.

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