ML19269E508

Forwards LERs 79-075/03L-0,79-081/03L-0 & 79-080/03L-0

ML19269E508
Person / Time
Site:	North Anna
Issue date:	06/27/1979
From:	Stallings C VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19269E509	List: 05000338/LER-1979-075-03, /03L-0 on 790604:during Steady State Operation, Axial Flux Difference Deviated Over 5% from Target for Two Minutes,Contrary to Tech Specs.Caused by Xenon Oscillation Initated by Rod Operability Test.Power Reduced by 2% 05000338/LER-1979-080-03, /03L-0 on 790608:during Power Escalation,Axial Flux Difference Deviated More than +5% from Target for 16 Minutes,Contrary to Tech Specs.Caused by Withdrawal of Control Rods 05000338/LER-1979-081-03, /03L-0 on 790608:individual Rod Position Indicators M-10 & D-10 Placed in Test Status,Contrary to Tech Specs.Caused by Repair Work to Remove Previously Installed Jumper.Calibr Performed ML19269E508
References
512, NUDOCS 7906290196
Download: ML19269E508 (1)

Text

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VruarNIA ELucruic AND POWEH CO M PANY Itzenxown,Vx noxxIA 20261 June 27, 1979 Mr. James P.

O'Reilly, Director Serial No. 512 Office of Inspection and Enforcement P0/FHT:scj U.

S.

Nuclear Regulatory Commission Docket No.: 50-338 Region 11 License No.:NPF-4 101 Ma ri e t ta S t ree t, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

Pursuant to North Anna Power Station Technical Specifications, the Virginia Electri c and Power Company he reby submits the following Licensee Event Reports for North Anna Unit No.

1.

Report No.

Applicable Technical Speci fi ca ti on LER 79-075/03L-U T.S.

6.9.1.9.b.

LER 79-080/03L-0 T.S.

6.9.1.9.b.

LER 79-081/03L-0 T.S.

6.9.1.9.b.

These reports have been reviewed by the Station Nuclear Safety and Operating Commi t tee and will be placed on the agenda for the next meeting of the Sys tem Nuclear S a fe ty and Operating Committee.

Ve ry truly yours, d50 W C.

M.

Stallings Vice President-Power Supply and Production Operations En c l os u res (3 copies) cc:

Mr. John G.

Davis, Acting Di rector (30 copies)

Office of Inspection and Enforcement Mr. William G.

Mcdonald, Director (3 copies)

Office of Management Information and Program Control 2164 061 7906200 /96