05000277/LER-1982-006

LER 82-006/03L-0:on 820313,during Surveillance Testing of Fire Protection Sys,Diesel Fire Pump Tripped Off on Overspeed Condition.Caused by Defective Overspeed Control Switch.Defective Switch Replaced

ML20054C337
Person / Time
Site:	Peach Bottom
Issue date:	04/12/1982
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-82-006-03L, LER-82-6-3L, NUDOCS 8204200393
Download: ML20054C337 (1)

LER-2082-006,

Event date:
Report date:
2772082006R00 - NRC Website

text

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Mr. R. C. Haynes, Dirootor No.2-82-06/3L-0 Office of Inspection & Enf:roenent, Region I U.S. Nuclear Begulatory Coassission 631 Park Avenue King of Prussia, PA 1 % 06 Dear Mr. Haynes This LER concerns the failure of an overspeed trip switch on a Diesel Fire Pump. Applicable Tech Spec is 3.14.A.2.

U.S. NUCLEAR REGULATORY COMMi&SION

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Swt=T oaTE 34 76 matontData #4 S Em 6 ooca47=Wwstm EVENT DESCRIPTION AND PROS AsLE CONSEQUENCES h During surveillance testing of the fire protection system, I o a I pump tripped off on I o I the diesel fire o . I overspeed condition. The redundant fire pump was A 1

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CAUSE DEsctHPTION ANDCORRECTIVE ACTIONS 27 i o ] Investigation revealed a defective overspeed control switch, g gl The defective switch was replaced, surve111snee test ,

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