ML19318D224

LER 80-027/03L-0:on 800603 to 11,three Separate Instances of Reactor Operation Took Place W/Inoperable Class 1 Shock Suppressors.Caused by Rotated Reservoir,Low Oil Level Due to Cracked Fitting & Piston Rod Seal Leak

ML19318D224
Person / Time
Site:	Fort Saint Vrain
Issue date:	07/01/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19318D219	List: ML19318D218 ML19318D224
References
LER-80-027-03L, LER-80-27-3L, NUDOCS 8007080215
Download: ML19318D224 (1)

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LICENSEE EVENT REPORT C7 ' CONTROL BLOCK: I l l l l (PLEASE PRINT CR TYPE ALL REQUIRED INFORMATION) lo li8 l9l Cl 0l Fl S l VI 1l@15 01Ol-l0lOl0lOlOl-l0lOl@l4lll1l2lOl@

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7 LICENSEE CODE CON'T 7

lol1l 7 8 Ev'"c 60l Ll@l 0l 5l DOCKET 61 0l OlNUMBER 0l 216 l 768 @l 69 Ol EVENT 610131810 DATE 74 l@l0 75 l7 l0 l1 REPORT CATEl8 l080l@

EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h l o 121 l During the period from June 3,1980, through June 11, 1980. with the reactor operatinsd ITTTI I at power. three separate instances of reactor coeratien took olace with inocerable l lo l4 l l class 1 shock suppressors (snubbers) . Snubbers removed from service due to 1) rotated IoIsi I reservoir. 2) low oil level due to cracked fittine. and 3) low oil level due to oistoTil lo is l l rod seal leakage. Operation in degraded mode of LCO 4.3.10. Reportable per l Similar occurrence reported in RO 80-04. No affect on public health o4 lo17l l AC 7.5.2(b)2.

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33 34 35 36 33 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lilo] ] 1) Reservoir rotated due to use as stenping platform. Returned to oroner oosition and iiiii l lock nut set. 2) Snubber removed from service due to cracked fitting. Fitting - 1 Ii12i l repaired and snubber returned to service. 3) Snubber removed from service to reoair I i,i3i l piston tod seal. Seal replaced during rebuild of snubber cylinder and valve. Sur- )

i1 14 I l veillance interval adiusted to 124 davs 4- 25%. I 7 8 9 80

'YA S  % POWER OTHERSTATUS 015 0 Y OtSCOVERY DESCRIPTION L' J 5 I I El@ l 0 l 6 l 2 l@l N/A l l A l@l Personnel Observation / Review of Logs l ACTIVITY CO TENT RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE L'_Jij L zl @D OF RELEASEL1J@l N/A I IN/A I 7 8 9 to 11 44 45 80 PERSONNEL EXPOSURES NUM8ER TYPE DESCRIPT1CN .'.

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NUMSER DESCRtPTION e Lus_j 10 l0 l0 l@l N/A s l 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY Q TYPE CESCRIPTIoM  %./

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80 DESCRIPTION

• ISSUE

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NAME OF PREP ARER N PHONE: (3 3) 785-2253

• 80070 bog 3