ML20137X056

Forwards LERs 85-028-00,85-029-00,85-030-00 & 85-031-00

Date released: 05/30/2020	Download: ML20137X056

:on 851101,Div 1 RWCU Isolation Occurred.Caused by Actuation of Area Selection Switch When Operator Took RWCU Room Temps for Surveillance Test Procedure STP-000-001 & Failed to Place Switch in Bypass.Isolation Reset

ML20137X140
Person / Time
Site:	River Bend
Issue date:	12/01/1985
From:	Shirey S GULF STATES UTILITIES CO.
To:
References
Download: ML20137X140 (2)

:on 851101,Div 1 RWCU Sys Isolation Occurred. Caused by Spurious Rwcs Filter Demineralizer Room 1 High Temp Alarm.Rwcu Sys Placed Back in Operation.Mod in Progress to Correct Flashing & Noise Spiking Problems

ML20137X118
Person / Time
Site:	River Bend
Issue date:	12/01/1985
From:	Shirey S GULF STATES UTILITIES CO.
To:
References
Download: ML20137X118 (2)

:on 851031,isolation of Div 1 RWCU Sys Occurred Causing Closing of Four Outboard Isolation Valves.Caused by Spurious Opening of Contacts on Riley Temp Modules.Mods to Temp Modules to Reduce Transient Susceptibility Begun

ML20137X109
Person / Time
Site:	River Bend
Issue date:	11/30/1985
From:	Bysfield G GULF STATES UTILITIES CO.
To:
References
Download: ML20137X109 (3)

:on 851030,main Supply Breaker in 13.8 Kv Normal Switchgear Mistakenly Tripped,Causing Several Actuations.Caused by Personnel Error.Equipment Returned to Normal Operation

ML20137X069
Person / Time
Site:	River Bend
Issue date:	11/29/1985
From:	Bysfield G GULF STATES UTILITIES CO.
To:
References
Download: ML20137X069 (2)

Forwards LERs 85-028-00,85-029-00,85-030-00 & 85-031-00

ML20137X052
Person / Time
Site:	River Bend
Issue date:	11/27/1985
From:	Booker J GULF STATES UTILITIES CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
Download: ML20137X052 (1)