ML19347B626

Forwards Updated LERs 80-010/03L-1,80-021/03L-1 & 80-024/03L-1

Date released: 12/27/2019	Download: ML19347B626

Updated LER 80-024/03L-0:on 800829,failed to Perform Inservice Insp of Safety Injection Nozzle to Shell Weld of Both Reactor Vessels.Caused by Unavailability of Test Equipment.Tech Spec & ASME Code Revisions Requested

ML19347B646
Person / Time
Site:	Prairie Island
Issue date:	10/08/1980
From:	Krumpos P NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19347B646 (1)

Updated LER 80-021/03L-1:on 800718,replacement of Inverter 13 Was Stopped Due to Lack of Seismic Analysis for Inverter Mount.Caused by Personnel Error.Improvement in Design Change Process Initiated

ML19347B642
Person / Time
Site:	Prairie Island
Issue date:	10/08/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19347B642 (1)

Updated LER 80-010/03L-1:on 800311,containment Vacuum Breaker Isolation Valve 11 Opened at 0.57 Psi Rather than 0.5 Psi.Caused by Drift in Differential Pressure Switch. Setpoint Adjusted & Satisfactorily Tested

ML19347B635
Person / Time
Site:	Prairie Island
Issue date:	10/08/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19347B635 (1)

Forwards Updated LERs 80-010/03L-1,80-021/03L-1 & 80-024/03L-1

ML19347B625
Person / Time
Site:	Prairie Island
Issue date:	10/08/1980
From:	Mayer L NORTHERN STATES POWER CO.
To:	KEPPLER J G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19347B625 (1)