ML19320B128

LER 80-043/03L-0:on 800605,one Source Range Channel Was Lost.Caused by High Voltage Power Supply Failure.New Power Supply Installed & Tested Successfully

ML19320B128
Person / Time
Site:	Beaver Valley
Issue date:	07/02/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19320B124	List: ML19320B123 ML19320B128
References
LER-80-043-03L, LER-80-43-3L, NUDOCS 8007090338
Download: ML19320B128 (1)

Text

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? 4 60 61 DOCK ET NWSE A r>3 6) EV ENT CATE EVENT OESCRIPTION AND PAOB AGLE CONSEQUENCES h I o l 2 ! l Loss of one source range channel due to failed high voltage power supply. This l l0!3!jevent is of minimal consequence because only one source range channel is needed in l lo!4llthis mode of operation and the other source range channel was in service. I I

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CAUSE OESCRiPT:ON AND CORRECTIVE ACTIONS 27 lt ;a1lHigh voltage power supply failed. A new power supply was installed and the source j 1il1 j lrance channel tested successfully. Both source range and intermettate ranee cover ]

l, i 1l supplies have failed previously. I Iii?j l I

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