05000259/LER-1979-008, Forwards LER 79-008/03L-0

Forwards LER 79-008/03L-0

ML19246B532
Person / Time
Site:	Browns Ferry
Issue date:	07/11/1979
From:	Fox H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19246B533	List: 05000259/LER-1979-008, Forwards LER 79-008/03L-0 05000259/LER-1979-008-03, /03L-0 on 790612:during Normal Operation, Pressure Switches PS-1-81 a & B & PS-1-91 a & B Setpoints Exceeded Tech Specs by 3-15 Psig. Caused by Model B2T-A12SS Switches Drifting
References
NUDOCS 7907170107
Download: ML19246B532 (1)

LER-1979-008, Forwards LER 79-008/03L-0

Event date:
Report date:
2591979008R00 - NRC Website

text

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TENNESSEE VALLEY AUTHORITY CHATTANOOG A. TENNESSEE 37401 716 Edney Building July 11, 1979

'h, Director Mr. James P U.S. Nuc' aar lla tory Cornission Office of t on and Enforcement Region I 101 Ma eta St eat, Suite 3100 Atlan, Georgia 30303

Dear ifr. O'Tailly:

TENNES3XI VALLEY AUTE01ITY - BEDWNS FERIT NUM Rn FLANT UNIT 1 - DOCIET NO. 50-259 - FACILITT OFX3ATDIG LICENSE DIR REP 0nm x OCCURRENCE REPORT B7EO-50-259/798 The snelosed report provid5 details concerning pressure switches PS-1-81 A and B and F5-1-91 A and B setpoints which exceeded Taehnical Specification Table 3.1.A limits by 3 to 15 psig during norad cparation while performing Survef11muce Instruction 4.1.A-14, turbine first stage pressure permissive. This report is submitted in accordance with Browns Ferry unit 1.schnie=1 Specification 6.7.2.b.2.

Very truly yours.

TnMASEE VALIIT ADTEC1ITY H. S. Fox Director of Power Production Enclosure (3) ea (Enclosure):

Direc*ar (3)

Office of Management Information and Program Control U.S. Nucisar Regulatory Commission Washington, D.C.

20555 Director (40)

Office of Inspection and Enforceae t U.S. Nucisar Esgulatory Commissi Washington, D.C.

20555 R. F. Sullivan, NRC Inspector, Browns Ferry b.../ f, (U i !

N O61

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t in An Ecual Occertumty Employer 7907_I70 g

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