ML19256A683

Forwards LER 78-126/03L-0,78-128/03L-0,78-129/03L-0, 78-131/03L-0 & 78-132/03L-0

Date released: 09/27/2019	Download: ML19256A683

LER 78-132/03L-0 on 781213:during Periodic Test for Post DBA Hydrogen Analyzer,It Was Found That the Analyzer Indicated 8.5% Less Hydrogen than the Sample Gas Indicated. Recombiner 2-HC-HC-1 Was Declared Inoperable & Analyzer Uncalibrated

ML19256A704
Person / Time
Site:	North Anna
Issue date:	01/03/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19256A704 (2)

LER 78-131/03L-0 on 781211: Alarms for Pressurizer Level Protection Channel L-1460 Were Observed Indicating Tripped Status on a Logic Channel in Protection System. Caused by Blown Fuse in Process Circuitry for the L-1460 Channel

ML19256A701
Person / Time
Site:	North Anna
Issue date:	01/03/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19256A701 (3)

LER 78-129/03L-0 on 781219: During Performance of Routine Periodic Test of Reactor Rate Trip Time Constant for Nis Channel N-42, Allowable Time Limits Were Not Observed.Caused by Electronic Drift in Instrumentation

ML19256A697
Person / Time
Site:	North Anna
Issue date:	01/03/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19256A697 (2)

LER 78-128/03L-0 on 781214: After Main Steam Trip Valve 1-TV-MS-111A Was Opened During Reactor Trip It Failed to Close Fully.Caused by Washer Stuck in Mechanism

ML19256A692
Person / Time
Site:	North Anna
Issue date:	01/03/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19256A692 (2)

LER 78-126/03L-0 on 781206:during Monthly Test One of the Heat Tracing Channels of the Boron Injection Sys Was Found Inoperable.Caused by Open Circuit in a Boron Injection Tank Heater, Caused by Defective Cable

ML19256A685
Person / Time
Site:	North Anna
Issue date:	01/03/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19256A685 (2)

Forwards LER 78-126/03L-0,78-128/03L-0,78-129/03L-0, 78-131/03L-0 & 78-132/03L-0

ML19256A682
Person / Time
Site:	North Anna
Issue date:	01/04/1979
From:	Stallings C VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19256A682 (1)