RBG-22182, Forwards LERs 85-001-00,85-002-00,85-003-00,85-004-00 & 85-005-00

Forwards LERs 85-001-00,85-002-00,85-003-00,85-004-00 & 85-005-00

ML20138A451
Person / Time
Site:	River Bend
Issue date:	09/30/1985
From:	Booker J GULF STATES UTILITIES CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM)
Shared Package
ML20138A454	List: 05000458/LER-1985-001, :on 850831,reactor Protection Sys Actuated on High Source Range Monitor Counts.Caused by Core Geometry Change When Fuel Initial Bundle Placed in Core.Four Fuel Loading Chambers Relocated to Eliminate High Count 05000458/LER-1985-002, :on 850904,reactor Protection Sys Actuated on High Main Steam Line Radiation & High Scram Discharge Vol Level.Caused by Reactor Protection Sys Channel a Manual Trip During Calibr Coupled W/Inadvertent Noise Spikes 05000458/LER-1985-003, :on 850904,full Reactor Protection Sys Actuation Occurred.Caused by Unintentional Shorting of Contact While Attempting to Install Jumper.Fuse C71-F7A Replaced & Jumpers Moved to Terminal Blocks 05000458/LER-1985-004, :on 850906,discovered That APRM Weekly Reactor Protection Sys Tests for Channels B,D,E,G & H Unsatisfactory Per Requirements for Setdown Neutron Trip.Caused by Exclusion of Steps to Verify Half Scram 05000458/LER-1985-005, :on 850913,reactor Protection Sys Actuation Occurred.Caused by Operator Error When Intermediate Range Monitor Channel E Mode Switch Inadvertently Moved from Operate to Standby.Switch Placed in Operate Position RBG-22182, Forwards LERs 85-001-00,85-002-00,85-003-00,85-004-00 & 85-005-00
References
RBG-22182, NUDOCS 8510080564
Download: ML20138A451 (1)

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l Sir GULF STATES UTILITIES COMPANY RIVER SEND STAY 1CN PCST OFFCE BOM 220 ST FRANCISvtLLE Louisi ANA 70775 ARE A CODE $04 635 6094 346 8651 l

Septmber 30, 1985 RBG 22182 File Nos. G9.5, G9.25.1.3 U.S. Nuclear Regulatory Ccnmission Document Control Desk Mshington, D.C.

20555

Dear Sir:

River Bend Station - Unit 1 Docket No. 50-458 Please find enclosed License Event Peport Nos. 1, 2, 3, 4 and 5 for River Bend Station - Unit 1.

'Ihese reports are stdutitted pirsuant to 10CFR50.73.

Sincerely, l

F. &A J. E. Booker Manager-Engineering, Nuclear Fuels & Licensing River Bend Nuclear Group J'N JEB/TFP/PDG/b/je cc:

U.S. Nuclear Regulatory Cmmission 611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76011 l

1 Y

e510000564 e50930 l

l PDR ADOCK 05000458 s

PDR

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