ML19282B987

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LER 79-009/03L-0 on 790218:fuse Blew in Power Supply for Reactor Bldg Vent Process Radiation Monitor Sample Pump. Sample Pump Had Bound,Overloading Input Power Circuitry. Pumps Replaced
ML19282B987
Person / Time
Site: Pilgrim
Issue date: 03/13/1979
From: Fulton J
BOSTON EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19282B982 List:
References
LER-79-009-03L, LER-79-9-3L, NUDOCS 7903190211
Download: ML19282B987 (1)


Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION 87 77)

LICENSEE EVENT REPORT lh CONTROL 8 LOCK: l l l l l l (PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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ATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 At 1321 on February 18, 1979 a fuse blew in the power supply for the Reactor Building l l0 l3 l l vent process radiation monitor sample pump. The fuse was replaced and the alternate l o 4 l pump immediately placed in service. An electrician was assigned to investinate the l

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i o l Investigation revealed that the RBV-PRM Sample numn had bound. overloading its input I i i lpower circuitry blowing the fuse. The two RBV-PRM sannle nums were subsecunnH u  !

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