ML20010G318

LER 81-043/03L-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

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: ML20010G313 ML20010G318
References
LER-81-043-03L, LER-81-43-3L, NUDOCS 8109150584
Download: ML20010G318 (1)

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NRC FORM M U. S. NUCLEA2 RE2ULATCCY COMMISSION

. LICENSEE EVENT REPORT CONTROL BLOCK: l i

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lh (PLEASE PRINT OR TYPE JtLL REQUIRED INFORMATIONI iO I1l l ClO lF lS lVl1l@l0 l0 l- 10 lo to 1S l0 l0 l0 l- l0 l0 l@l LICENSE NUM8ER 25 426l 11112 LICENSE TYPEl 0 JOl@l 57 CAT l 58 l@

7 8 9 LICENSEE CODE CON'T I0Iii 7 8 SouRC lLl@l015 10 10 lo 12 16 17 @l0l7l1I7I8l1l@l0I8I1l4lRI1 lh 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. I I

101711 I

I o is i I so 7 a9 DE CODE SUSC E COMPONENT CODE SUS COD'E SU ITTTl 7 8 9 I zl zlO Ls.J@ Ls_J @ I s l u 19 l o i n i r l@ U@ W 5 10 11 12 13 18 19 20 SEQUENTIAL OCCURAENCE REPORT REVISION EVENT YE AR R EPORT NO. COOE TYPE NO.

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@ ,ay,RO g 1811I l-l 101413I I/I 10 13 I ILI 30 l--J 31 LO.J 32 w 21 22 23 24 26 27 28 29 ff N AC O O P NT ME HOURS S8 I POR 8. SUPPLIE MANUPAC RER Ial@lzl@ lzl@ ll.J@ 10 101010 I Lv- J@ ls_JO LLj@ I44r 12101747I@

33 34 35 36 3/ 40 el 42 43 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. Fittine tightened and seal renlaced _ of il

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,,i7; l reservoir filled, snubbers tested and returned to service. Surveillance interval ad- I g l justed to 62 t 25%. l l

l i 141 l 80 7 8 9 ST  % POWER OTHER STATUS dis RV OISCOVERY DESCRIPTION I1 15 I [,,,Cij@ l 0 l 014 l@l N/ A l [Aj@l Personnel Obsarvation l AfTIVITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE I I N/A l FFITl 7 8 9 I zl @ l10z l@l N/A 11 44 4S 80 PERSONNEL EXPOSURES NUV8ER TYOE LESCRIPTION -

l li 17110101 Ol@l z!@l' N/A 8o PERSONNE't%URiES NuM8ER DESCRIPTION @

L'Ls.JIol0lol@l N/A 7 8 9 11 12 80 I

LOSS OF OR DAMAGE TO PActLITY TYPE DESCRIPTION li 191 l zl@l10 N/A l 7 8 9 80 NRC USE ONLY ,

l2 lol ISSUEl @DE CRIPTION y /r l lllllllllllllj 7 8 9 to 68 Sir 80 ,

8109150584 810814 MAW J ~.W PHONE.' ( 30 3) 785-2224 2 PDR ADOCK 05000267 4 S pop . .. -_ __ .. __ _ __ _ _ _ __

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