ML20039B183

LER 81-038/03L-0:on 811113,during Surveillance Testing on Shield Bldg Vent Sys,Check Damper SBV-10A Failed Shut.Caused by Ruptured Diaphragm Which Separates Motor from Oil Reservoir.Motor Replaced

ML20039B183
Person / Time
Site:	Kewaunee
Issue date:	12/11/1981
From:	Smoker C WISCONSIN PUBLIC SERVICE CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20039B180	List: ML20039B179 ML20039B183
References
LER-81-038-03L, LER-81-38-3L, NUDOCS 8112220383
Download: ML20039B183 (1)

Text

• a F OR*.1366 U.S. NUCLEAR REGULATORY COMMISSION 1

"' 73J LICENSEE EVENT REPORT CONTROL OLOCK: l l l l l l 6

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REPO9TDATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 1 62l l During surveillance testing on the Shield Building Vent System (SBV), check damper l

g3; [ SBV-10A failed shut. This train of SBV out of service placed the f acility under l

, , ,, ;  ; LCO T.S.3.6.b.1(one train of SBV may be out of service for up to 7 days) and thus l

.g3, ; reportable per T.S.6.9.2.b(2). Since the redundant train of SBV was operabic, l h is1 l there was no effect on public safety or plant operation. l I

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h

,: 101 l The operator failure was the result of a ruptured diaphragm which separates the l

.;il l motor from the oil reservoir. The motor was replaced, tested satisfactory, and I

,121 1 the system returned to service. No further action is required at this time. This [

,;3; l incident is similar to that reported in Kewaunee LER 81-029. __l l

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' 80 8 9 ST S  % POWER oTHER STATUS SO RY DISCOVERV CESCRIPTION Surveillance testing l l 5 l {Q l 1 l0 l0{@l NA l W @l l ACTIVt!Y CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION C: RELEA3E W {Z_] @ [ Zj@l NA l l NA l 8 9 to 11 44 45 80 DERSONNEL EXPOSURES NUVBER TYPE DESCRIPTION l2 171 l Ol0 l0 lbhl" NA l

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8 9 11 12 LOSS OF OR DAVAGE TO FACILtTY TYPE DE SCRIPTION I ' I 9 l (Z jhl NA 8

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