05000296/LER-1979-026, Forwards LER 79-026/03L-0

Forwards LER 79-026/03L-0

ML18024B219
Person / Time
Site:	Browns Ferry
Issue date:	01/04/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18024B220	List: 05000296/LER-1979-026, Forwards LER 79-026/03L-0 05000296/LER-1979-026-03, /03L-0:on 791207,during Refueling Outage,Reactor Core Isolation Cooling Failed to Reach Rated Flow Per Tech Specs.Caused by Defective High Trim Potentiometer in Reactor Core Isolation Cooling Sys.Egm Box Replaced
References
NUDOCS 8001090401
Download: ML18024B219 (2)

LER-1979-026, Forwards LER 79-026/03L-0

Event date:
Report date:
2961979026R00 - NRC Website

text

January 4,

1980

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TENNESSEE VALLEYAUTHORITY CHATTANOOGA. TENNESSEE 37401 716 Ednoy Building Hr. James P. O'Reilly, Director U.S. Nuclear, Regulatory Commission Office of Inspection and Enforcement, Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 Dear Mr. O'Reilly's

'TENNESSEE VALLEYAUTHORITY-BROGANS PERRY NUCLEAR PLANT UNIT 3 - DOCKET NO. 50-296 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BPRO-50-296/7926 The enclosed report provides details concerning the reactor core isolation coolant system which failed to reach rated flow as z'equired by Technical Specification 3.5.P.l.(1) during unit 3 refueling outage.

This'eport is submitted in accordance with Browne Perry unit 3 Technical Specification 6.7.2.b.2.

Very truly yours, TENNESSEE VALLEY AUTHORITY'.

R. Calhoun Director of Nuclear Power Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission washington, DC 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission washington, DC 20555 Hr. BillLavallee Nuclear Safety Analysis Center Palo Alto, California 94303 Mr. R. P. SuIUvan, NRC Inspector, Browns Perry koz 5

ih An Equal opportunrty Employer ~

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