ML19254E498

Forwards LERs 79-030/03L-0 & 79-031-03L-0

Date released: 09/25/2019	Download: ML19254E498

LER 79-031/03L-0:on 790930,control Element Assembly Motion Inhibit Circuit Declared Inoperable Following Loss of Metrascope Indication of Control Element Assembly Position. Caused by Metrascope Component Failure

ML19254E511
Person / Time
Site:	Millstone
Issue date:	10/25/1979
From:	Bates R NORTHEAST UTILITIES
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
Download: ML19254E511 (1)

LER 79-030/03L-0:on 790929,engineered Safety Feature Channel a Sensor Cabinet Trip Bistables All Tripped Due to Loss of Power.Caused by Failed Overvoltage Protector on Channel A-15 Volt Power Supply,Causing Fuse to Blow.Parts Replaced

ML19254E501
Person / Time
Site:	Millstone
Issue date:	10/25/1979
From:	Bates R NORTHEAST UTILITIES
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
Download: ML19254E501 (1)

Forwards LERs 79-030/03L-0 & 79-031-03L-0

ML19254E497
Person / Time
Site:	Millstone
Issue date:	10/25/1979
From:	Opeka J NORTHEAST UTILITIES
To:	GRIER B H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
Download: ML19254E497 (1)