ML19350E056

LER 81-056/03L-0:on 810511,train a of Auxiliary Bldg Gas Treatment Sys Was Declared Inoperable.Caused by ABGTS Fan Bearings Overheating.Bearings Replaced & Maint Program Established to Lubricate Bearings Semiannually

ML19350E056
Person / Time
Site:	Sequoyah
Issue date:	06/09/1981
From:	Kirk G TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350E046	List: ML19350E045 ML19350E056
References
LER-81-056-03L, LER-81-56-3L, NUDOCS 8106160352
Download: ML19350E056 (1)

Text

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y st) ~ LICENSEE EVENT REPORT .,

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a' EVENT DESCRIPTION ANO PROSABLE CONSEQUENCES h l M [ Unit 1 in.ede 4 with RCS temperature and orenure annroxi n telv 300% 2nd 110 mio The 'i' Train o'f the a xxiliary building gas' treatment system was declared ;

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g o g o g linoperable at 0830 CDT on 5/11/81 when ABGTS fan bearings overheated diaring surveillance ]

l ly [3l l testing. LCO.3.7 8.1 was entered. There was no effect upon public health or safety.

I o a IPrevious occurr&nces - none.

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4a lFj010l8l u er CAUSE DEscalPTION ANO CORRECTIVE ACTIONS h

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ITTol lunit' 1 entered mode 5 at 1330 cor. Bearines were first discovered'runnine hot $n 1/19/813 i

l lil land reolacements were ordered. Biweekly inspections were performed to check for any No preventive main-g ,l rapid deterioration of bearings until new bearings were received.

i g l tenance program was found to lubricate the bearing., and one was established on 3/27/81-The bearings were replaced on 5/11/81.

' g lto lubricate the bearings semiannually. so s si omtasratus @ $'sE E N oiscovany casCairview @

's'r'2I".' seowta j Surveillance tes.e l ltiSI W @ l0[0l0l@l" NA l l**B l@l** **

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PtasoNNE L INJunits j NuuttR otsclet*ftoN l

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Loss of o88 cauaGE To FACILITY TV't otsCRepflom

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N'ame of Preparer Glenn B- 5(f rk /M- o Mneding Phone (615) 842-8317 8106160' % @