ML19289D784

Forwards LERs 78-100/01X-1,79-006/03X-1,79-013/03L-0, 79-018/03L-0 & 79-019/03L-0

Date released: 10/30/2019	Download: ML19289D784

LER 79-019/03L-0 on 790216:during Surveillance,Emergency Diesel Generator 1H Did Not Reach 900 Revolutions Per Minute in Required 10-s.Probable Cause Was Low Ambient Air Temp. Conditions of First Start Were Not Reproducible

ML19289D792
Person / Time
Site:	North Anna
Issue date:	03/09/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19289D792 (2)

LER 79-018/03L-0 on 790214:during Mode 1 Operation at 98% Power,Main Steam Trip Valve 1-TV-MS-111B Leaked Excessively & Was Isolated for Repair.Caused by Deteriorated Internal Gasket.Valve Isolated & Gasket Replaced

ML19289D791
Person / Time
Site:	North Anna
Issue date:	03/09/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19289D791 (2)

LER 79-013/03L-0 on 790214:during Normal Operation,Fire Door S71-7 Between Auxiliary Bldg & Health Physics Found non- Functional.Caused by Bent Phaser on Left Door.Phaser Taped Out of Way & New Phaser Installed

ML19289D790
Person / Time
Site:	North Anna
Issue date:	03/09/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19289D790 (2)

LER 79-006/03X-1 on 790111:damaged Wiper Seal Found on Hydraulic Suppressor I-FW-HSS-233 & Suppressor Found Inoperable on Bypass Line.Caused by Improperly Set Poppet Valves.Suppressor Replaced W/Operable Spare

ML19289D789
Person / Time
Site:	North Anna
Issue date:	03/09/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19289D789 (2)

LER 78-100/01X-1 on 781108:field Mod to Reactor Vessel Lower Head Insulation Was Not Seismically Analyzed Per Fsar. Caused by Personnel Error.Structural Analysis Performed & New Mod Is Under Development

ML19289D787
Person / Time
Site:	North Anna
Issue date:	03/09/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19289D787 (2)

Forwards LERs 78-100/01X-1,79-006/03X-1,79-013/03L-0, 79-018/03L-0 & 79-019/03L-0

ML19289D783
Person / Time
Site:	North Anna
Issue date:	03/12/1979
From:	Stallings C VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	OREILLY J P NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19289D783 (1)