ML20009E558

LER 81-040/03L-0:between 810604 & 09,eight Hydraulic Shock Suppressors Were Found Out of Oil.Caused by Empty Hydraulic Oil Reservoirs Due to Leaking Seals & O-rings in Snubbers. Reservoirs Cleaned.Seals & O-rings Replaced

ML20009E558
Person / Time
Site:	Fort Saint Vrain
Issue date:	07/02/1981
From:	Mcbride L PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20009E550	List: ML20009E549 ML20009E558
References
LER-81-040-03L, LER-81-40-3L, NUDOCS 8107280301
Download: ML20009E558 (1)

Text

NRC FORK 4 36d . U. S. NUCLEAR REOULATOOY COMMISElON (7J7)

LICENSEE EVENT REPORT CONTROL BLOCK: l i

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo lil8I9cl 01LICENSEE Fl SCODE l Vl 1l@l O l 0 l -l 0uCENSE 14 15 l O !NUMBER 0 l O ! 0 l - l 250 ! 260l@l4l1l1l?!Olh!

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l. O_L.1.] "[$jL@l0l5 10 10 10 12 16 17 @l0l6iOl4lSl1lhl017l0l? l R l1 lh So 68 69 EV ENT DATE 74 75 REPORT DATE 80 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h gg l Between June 4 and June 9,1981, eight hydraulic shock suppressors were found to be l Io13l l out of oil and therefore inoperable. The suppressors were last verified operable on l

ol4gl March 16, 1981, anc the plant has been operated at power since March. This is a de- l l o I s 1 l graded mode of LCD 4.3.10 nd is reportable per FcrC St. Vrain Technical Specification l g l AC 7. 5.2 (b)2. No accompanying occurrence. No effect on public health or safety. l l o l 7 l l Similar reports are RO's 80-04, 80-27, 80-47, 80-54, and 81-032. l l

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41 L.uj@ l A lh lI l 2 l0 l 7 !h 47 J3 34 35 36 3/ 40 42 43 44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i1 l o l I Eight ITI Grinnel Figure 200/201 snubbere were inocerable as a result o f emo tv hv-I i i i i I draulic oil reservoirs due to leakine seals and 0-rines . Resgrvoirs were cleaned n mi l Iii2l l seals and 0-rings replaced. The surveillance interval.was adiusted to 31 davs. J I

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• 9 ST S  % POWER OTHER STATUS DISCO PY DISCOVERY DESCRIPTION W [Jf.jh l0l0l0lhl N/A l hl Found During Torque Valve Verification l ACT:VITY CO TENT AMOUNT OF . CTIVITY LOCATION OF RELEAS5 RELEASED OF RELEASE R [_Zj @ [,Z_j@l N/A l l N/A l PERSONNEL EXPOS ES NUMBER TYPE DESCRIPTION I1l7ll0l0l0]@lZl@l N/A l PERSONNE L INJURIES NUVBER DESCRIPTION l

11 la 7 8 9 l l 0l 0l 0lhl N/A 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION N/A l I t 191 (_Z_j@l 80

' 8107280301 810702 NRC USE ONLY DEYCRiPTiON @ PDR ADOCK 05000267 ,

ISSu s PDR  ;  ; ; ;;;;;;;; ; ; jg L2_]oi[_yEhi N f,1 68 69 80 5 7 8 3 to PHONE: (303) 785-2224 {

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