05000296/LER-1979-012, Forwards LER 79-012/03L-0

Forwards LER 79-012/03L-0

ML18024B006
Person / Time
Site:	Browns Ferry
Issue date:	09/14/1979
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18024B007	List: 05000296/LER-1979-012, Forwards LER 79-012/03L-0 05000296/LER-1979-012-03, /03L-0:on 790815,turbine First Stage Pressure Permissive Pressure Switch 1-81A Setpoint Exceeded Tech Spec by 8 Psig.Caused by Setpoint Drift.Switch Recalibr & Tested.Will Be Replaced by Analog Trip Units
References
NUDOCS 7909190370
Download: ML18024B006 (2)

LER-1979-012, Forwards LER 79-012/03L-0

Event date:
Report date:
2961979012R00 - NRC Website

text

0 TENNESSEE VALLEYAUTHORITY CHATTANOOGA. TENNESSEE 37401 716 Edney Building September=14, 1979 Mr. James P. O'Reilly, rectox U.S, Huclear Regula Commission Office of.Inopec n and Enforcement Region XI 101 Marietta treat, Suite 3100

Atlanta, rgia 30303 Deax Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY BROOMS PERRY NUCLEAR PLANT UNIT 3 - DOCKET NO 50-296 - FACILITY OPEBATIHG LICENSE DPR REPORTABLE OCCURMSCE

, REPORT BFRO-50-296/7912 The enclosed report provides details concerning pressux'e switch 1-81A setpoint which exceeded the technical specification limit specified in table 3.1.A by 8 psig during norual operation whilo performing Surveillance Instruction 4.1.A-, 14, turbine first stage pxeosure permisoive.

This x'eport is submitted in accordance with'Bzogns Perry unit 3 Technical Specification 6.7.2.b(l).

Vexy truly yours, TENNESSEE VALLEY AUTHORITY J. R, Calhoun Director of Nuclear Power Enclosure (3) cc (Enclosure)s Director'3)

Office of Management Information and P ogram Control U.S. Nucleax'egulatory Commission Mashington, D.C.

20555 Director (40)

,Office of Inspection and Enforcem UoSe HucIear Regulatory Commissio Vaohington, D.C.

20555 R. P. Sullivan, NRC Inspector, Browns Perry Ar1 Equal Opportunity Employer y 9 09190 3+~

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