ML17275B377

Forwards LERs 78-085/03X-1,78-089/03X-1,78-094/03X-1, 78-097/03X-1,78-111/03X-1,78-120/03X-1,80-004/03X-1 & 80-015/03X-1

Date released: 01/24/2020	Download: ML17275B377

LER 80-015/03X-1:on 800210,control Rod 5-11 Absolute Position Indication Declared Inoperable Due to Numerous Asymmetric Rod Alarms.Apparently Caused by Defective Absolute Position Indication Reed Switch Assemblies

ML20010B504
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Werner J TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B504 (2)

LER 80-004/03X-1:on 800107,control Rod 5-11 Absolute Position Indication Declared Inoperable Due to Fluctuating Signals,Causing Numerous Asymmetric Rod Alarms.Apparently Caused by Defective Reed Switch Assemblies

ML20010B503
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Werner J TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B503 (2)

LER 78-120/03X-1:on 781207,containment post-accident Radiation Monitor Re 5030 Declared Inoperable.Caused by Component Failure.Ambient Temp Caused Changes in Bearing Grease Composition,Leading to Bearing Seizure in Pump Motor

ML20010B501
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Schwenning L TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B501 (4)

LER 78-111/03X-1:on 781104,containment post-accident Radiation Monitor Re 5029 Had Low Flow Alarm.Caused by Component Failure of Pump Motor & Detector Assembly.Motor & Pump Replaced.Speed Pump Will Be Reduced

ML20010B500
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Schwenning L TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B500 (3)

LER 78-097/03X-1:on 780917,loud Noises Heard Emitting from Vacuum Pump on post-accident Radiation Monitor.Caused by Cracked Diaphragm Inside Pump Discharge Solenoid Valve, Possibly Due to High Ambient Temps

ML20010B499
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Schwenning L TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B499 (2)

LER 78-094/03X-1:on 780902,containment post-accident Radiation Monitor Re 5029 Observed Having Erratic Flow & Declared Inoperable.Caused by Component Failure of Motor on Pump.New Bearings & Solenoid Valve Installed

ML20010B497
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Schwenning L TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B497 (2)

LER 78-089/03X-1:on 780809,pump for post-accident Radiation Monitor Re 5030 Found Inoperable.Caused by Component Failure of Motor.Motor Replaced.Bearings Will Be Replaced & Speed of Pumps in Monitors Reduced

ML20010B495
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Beeler T, Schwenning L TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B495 (3)

LER 78-085/03X-1:on 780720,containment Vessel post-accident Radiation Monitor Re 5029 Declared Inoperable.Caused by Component Failure.Motor Pulley Replaced & Belt Installed. Surveillance Test Completed

ML20010B493
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Schwenning L TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010B493 (2)

Forwards LERs 78-085/03X-1,78-089/03X-1,78-094/03X-1, 78-097/03X-1,78-111/03X-1,78-120/03X-1,80-004/03X-1 & 80-015/03X-1

ML17275B376
Person / Time
Site:	Davis Besse
Issue date:	08/04/1981
From:	Murray T TOLEDO EDISON CO.
To:	KEPPLER J G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML17275B376 (2)