ML20038C262

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LER 81-036/03L-0:on 811103,motor-driven Auxiliary Feedwater Pump Lubricator Oil Pump Continued to Run When Pump 1A Was Stopped.Caused by Excessive Wear & Misalignment of Auxiliary Switch Linkage Mechanism Allowing Switch to Remain Closed
ML20038C262
Person / Time
Site: Kewaunee Dominion icon.png
Issue date: 12/03/1981
From: Smoker C
WISCONSIN PUBLIC SERVICE CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20038C257 List:
References
LER-81-036-03L, LER-81-36-3L, NUDOCS 8112100329
Download: ML20038C262 (1)


Text

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   'T  J2l l rwir g_the trotor-driven auxiliary _ feedwater (MDAW;) nunn surveillatice test the F1DAI'd l l3l l pump litbc oil pump continued to run when 11DAni pump 1A was stopped. Thin would not                                                                                                                             j
     ,Wl have prevented the operation of I-he AFW pursps. Consequently, there wan no offect on j il3l l public safety or plant operation. This is considered to be of sufficient importance j i le ] l to require reporting as an abnorim1. degradation of the nystem ('n' .] . G . 9. 2.ls . (4 ) ) .

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41 in g Ejg 43 lx 44 19 19 l'3 Irf 4; 33 34 43 47 CAUSE DESCHIPTION ANO COnHEC1tv0 AC nONS h il0ll Excessive wear and misalicjnment of_the auxiliary switch linkage inechaninm allowed l li } l the auxiliary switch to remain closcrl af ter the breaker has opened. Short term J il7) ] corrective action was to replace _the worn parts. The inanufacturer in being l

  ,il3l l consulted to determine long tern corrective actions necensary.                                                                      _

j II l4l ! .__- 8 9 80 F ACILiTY r UETHOO OF STATUS *.POWEH O nlC n S T A TUS ' OiSCOVERY D15COV(ItV O( SCf tlf' TION 37 li b i tr.J@ L1 I o I o l@l u^ -- . . . ] lad @l operator osservation _ i AC Tive TY CO TENT RELE A550 OF ret.E ASE AMOUNT OG ACTivlTY LOCAllON OT HGLE ASE

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