ML18283B017

LER 1977-006-00 for Browns Ferry Nuclear Plant, Unit 2, Unit Being Shut Down as Specified by Technical Specification 3.6.F.3 Due to the 2B Reactor Recirculation Motor-Generator Set Being Out of Service Greater than 24 Hours

ML18283B017
Person / Time
Site:	Browns Ferry
Issue date:	04/07/1977
From:	Fox H Tennessee Valley Authority
To:	Moseley N NRC/IE, NRC/RGN-II
References
LER 1977-006-00
Download: ML18283B017 (6)

Text

U.O. NUCLEAR AEGVLATOAV COMMISSION DOCKET NUMOE A NRC FoAM 195 I2 TOI E

- t'd FILE NUMOEA

, NRC DISTRIBUTION FoA I RT 50 DOCKET MATERIAL INCIDENT REPORT TO), FROM: DATE OF DOCUMENT Tennessee Valley Authority 4/7/77

- Mr. Norman, C~ Moseley Chattanooga, Tennessee DATE RECEIVED H+ ST Fox 4/21/77

%LETTER Q NOTOA IZE 0 PROP INPUT FOAM NUMBER OF COPIES RECEIVED BOA IGINAL UNCLASSIFIED Qcopv CnrtlCD DESCRIPTION ENCLOSV RE Ltri trans the fol lowing: Licensee Event Repbrt (R0.50-260/776) on 3/9/77 concerning the unit being shutdown as specified by tech specs due, to the 2B reactor recirculation motor-'generator set being out of. Seivice greater than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> ~ ~

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PLANT NAME:

I IIlr'owns Ferry Unit No. 2 (1-P ) (1-P) fJL NOPE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J, COLLINS FOR ACTION/INFORMATION BRANCH CHIEF:

Il 3 CYS FOR ACTION A dER.

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M Q CYS ACRS CYS l@CQRK S NT INTE R MAL 0 ISTR I BUT ON EGFL NRC PDR IAE(2 MIPC SCHROEDER/IPPOLITO HOUSTON NOVAK/CHECK GRIMES CASE BUTLER HANAUER TEDESCO/MACCARY EISENHUT SHAO VOLLLIER/BUNCH KREGER/J ~ COLLINS EXTE RN AL DISTR I OUTI ON. CONTROL NUMBER LPDR: v7i i (3(o TIC:

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TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 37401

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Dear Mr. Moseley:

j TENNESSEE VALLEY AUTHORITY BROGANS FERRY NUCLEAR PLANT UNIT 2 DOCKET NO. 50-260 FACILITY OPERATING LICENSE DPR-52 REPORTABLE OCCURRENCE REPORT BFRO-50-260/776 The enclosed report is to provide details concerning the unit being shut down as specified by technical specification 3.6.F.3 due to the 2B reactor recirculation motor-generator set being out of service greater than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

This report is submitted in accordance with Browns Ferry Technical Speci-fications Section 6. This event occurred on Browns Ferry'Nuclear Plant unit 2.

Very truly yours, TENNESSEE VALLEY AUTHORITY ZR+~ ~

H. S. Fox Director of Power Production Enclosure (3)

CC (Enclosure):

Director (3)

Office. of Management Information and Program Control U.S. Nuclear Regulatory Commission Vashington, D.C. 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 An Equal Opportunity Employer

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LICENSEE EVENT REPORT OGNrooL GLGGK:~~~ (PLEAS trIT ALL REQUIREO I,"'FOR;1ATIO;3'I

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24 hours. (BFRO-50-260/776)

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SYSTEM CAUSE COMPGICENT COtAPOiVENT CGGE COOS COMPONENT COOE SURYA t/ANUFACTUIIEA VDLATDtI

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~0!B~ The recirculation s stem2B 1iG set motor-fluid drive shaft cou lin wore ereiircioS 7

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ec 7 0 9 movement o t e ez le s aft cou lin 6" FACiot Y METHOD OF S.ATUS POWEA QTHEA STATUS OISCOVOAY QiSCQvcAY QESCAIPTIGN E ~0 NA B Routine Ins ection 9 10 12 13 44 45 46 FOAM OF ACTIVITY CONTEtIT AELEASEQ OF AELEASE AMOUNT OF ACTIViTY LOCATIOiV OF AEI.EASE al . s 7 a 9 10 11 ,44 45 PERSONNEL EXPOSURES

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