ML18283A991

LER 1978-008-00 for Browns Ferry Nuclear Plant, Unit 2, Reactor Building Ventilation Radiation Monitoring Channel Failed During Refueling Outage

ML18283A991
Person / Time
Site:	Browns Ferry
Issue date:	05/09/1978
From:	Fox H Tennessee Valley Authority
To:	O'Reilly J NRC/IE, NRC/RGN-II
References
LER 1978-008-00
Download: ML18283A991 (9)

Text

REGULATORY INFORMATION DISTRIBUTION YSTEM (RIDS)

DISTRIBUTION FOR INCOMING MATERIAL 50-260 REC: OREILLY J P ORG: FOX H S DOCD ATE: 05/09/78 NRC TN VALLEY AUTH DATE RCVD: 05/15/78 DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED

SUBJECT:

LTR 1 ENCL 1 FORWARDING LICENSEE EVENT REPT (RO 50-260/78-008) ON 04/12/78 CONCERNING AN UPSCALE RELAY FAILURE <POTTER 8( BRUMFIELD KH4690) IN THE LOGIC LOGARITHMIC RADIATION MONITOR CAUSED A FALSE AUTO ISOLATION.

PLANT NAME:BROWNS FERRY UNIT 2 REVIEWER INITIAL: XJM DISTRIBUTOR INITIAL:~

+++oww++++>++a%++ DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS 44++>>~>+>>>++>>44 INCIDENT REPORTS (DISTRIBUTION CODE A002)

FOR ACTION: BR ~~W/4 ENCL INTERNAL: EG FILE44W/ENC NRC PDR4+W/ENCL 4 E~~W/2 EN MIPC++W/3 ENCL SCHROEDER/IPPOLITO~<W/ENCL HOUSTON44W/ENCL NOVAK/CHECK++M/ENCL EEB++W/ENCL KNIGHT44W/ENCL BUTLER+<W/ENCL HANAUER~~N/ENCL TEDESCO++W/ENCL EI SENHUT++W/ENCL BAER4+W/ENCL SHAOw+W/ENCL VOLLMER/BUNCH++M/ENCL KREGER/J. COLLINS44W/ENCL ROSA4+W/ENCL K SEYFR IT/IE++W/ENCL EXTERNAL: LPDR~S ATHENS, AL~~W/ENCL TIC4 +W/ENCL NS I C+4 W/ENCL ACRS CAT 8++W/16 ENCL DISTRIBUTION: LTR 45 ENCL 45 CONTROL R: 781320069 SIZE: 1 P+ 1 P THE END

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e TENNESSEE VALLEY AUTHORITY 4

CHATTANOOGA, TENNESSEE 3'7401 llitIjÃt'LKE~3ilil,'l'Nli FILiI I',iiII"7 MAY ~ lg78 Dp~

Mr. James P. 0'illy, Director U.S. Nuclear R gulatory Commission Office of Ins ection and Enforcement I 1978 n Region II ~l~g 230 Peachtrye Street, Rf., Suite 1217 Atlanta, 6rgia 30303 5

Dear Mr,

'Reilly!

TENNESSEE ALLEY AUTHORITY BROGANS PERRY NUCLEAR PLANT UNIT DOCKET NO. 50-260 PACILITY OPERATING LICENSE DPR-52 -, REPORTABLE 2-OCCURRENCE REPORT BPRO-50-260/788

, The. enclosed report provides details concerning one reactor building ventilation radiation monitoring channel which failed during the refueling outage. This report is submitted in accordance with Browne Perry unit 2 Technical Specifications, Section 6.7.2.b.(2).

Very truly yours, TENNESSEE VALLEY AUTHORITY H. S. Pox Director of Power Production Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information an rogram Control U.S. Nuclear Regulatory Commission Mashington, DC 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Pashington, DC 20555 8>>2OOSP poop s ~

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