ML20137E676

Forwards LERs 85-031-00,85-032-00,85-033-00 & 85-034-00

Date released: 05/30/2020	Download: ML20137E676

:on 851024 & 30,high Alarms Received on Lower Containment Airborne Particulate Radiation Monitor Train B, Resulting in ESF Actuation Signal.Caused by Monitor Trending Upward.Setpoints Readjusted

ML20137E863
Person / Time
Site:	Cook
Issue date:	11/21/1985
From:	Kriesel T INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
References
Download: ML20137E863 (1)

:on 851023,lower Containment Airborne Monitor high-range Noble Gas Channel Gave Spurious High Alarm Signal Resulting in ESF Actuation Signal.Caused by Software Errors. Errors Being Evaluated by Mfg

ML20137E803
Person / Time
Site:	Cook
Issue date:	11/21/1985
From:	Kriesel T INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
References
Download: ML20137E803 (2)

:on 851022,upper Containment Area Radiation Monitor Failed,Resulting in ESF Actuation Signal.Caused by Failure of Two Internal Electronic Modules.Failed Modules Replaced & Monitor Declared Operable

ML20137E701
Person / Time
Site:	Cook
Issue date:	11/21/1985
From:	Lauren Gibson INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
References
Download: ML20137E701 (1)

:on 851027,ESF Actuated as Result of Lower Containment Airborne Monitor Particulate Channel Train a High Alarm.Caused by Monitors Trending Upward.Setpoints Readjusted

ML20137E696
Person / Time
Site:	Cook
Issue date:	11/21/1985
From:	Kriesel T INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
References
Download: ML20137E696 (1)

Forwards LERs 85-031-00,85-032-00,85-033-00 & 85-034-00

ML20137E669
Person / Time
Site:	Cook
Issue date:	11/21/1985
From:	Will Smith INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
Download: ML20137E669 (1)