ML18283B020

LER 1977-004-00 for Browns Ferry Nuclear Plant, Unit 2, Two Heat Detectors in the Fire Protection System for the Recirculation MG Sets Which, Would Not Alarm

ML18283B020
Person / Time
Site:	Browns Ferry
Issue date:	03/16/1977
From:	Fox H Tennessee Valley Authority
To:	Moseley N NRC/IE, NRC/RGN-II
References
LER 1977-004-00
Download: ML18283B020 (6)

Text

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'LTR. TRANS THE FOLLOWING...... 'LICNESEE EVENT REPORT 'FOR BFROlj774, ON 2/17/77 CONCERNING,TWO HEAT DETECTBRS,IN THE FIRE PROTEC-tion system for the recirculation'g sets WOULD NOT ALARM....

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PLANT Nqt~. BROWNS FERRY 8 b 2 NOTE: XF PERSONNEL EZPOSKiH IS ACKNOWLEDGED I",IVOLVEI'END SAB DXRECTLY TO I'REGER/J, C01LXNS FOR ACTION/INFORMATION BRANCH CtiXF1". ~Sc ~~cgd 0/3 CYS rOR /.VTION LXC, ASSTo:

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'>Spy(ypy March 16, 1977

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Mr. Norman C . Moseley, Director U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region XI 230 Peachtree Street, NW., Suite 1217 Atlanta, Georgia 30303

Dear Mr. Moseley:

TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT UNXT 2-DOCKET NO. 50-260 FACILXTY OPERATING LXCENSE DPR-52 REPORTABLE OCCURRENCE REPORT BFRO-50-260/774 The enclosed report is to provide details concerning two heat detectors in the fire protection system for the recirculation MG sets which, would not alarm. This report is submitted in accordance with Browns Ferry Technical Specifications Section 6. This event occurred on Browns Ferry unit 2.

Very truly yours, TENNESSEE VALLEY AUTHORITY S. Fox Director of Power Production Enclosure (3)

CC (Enclosure):

Director (3)

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

Office of Inspection and Enfor'cement U.S. Nuclear Regulatory Commission Washington, D.C. 20555

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EVENT REPORT CONTROL BLOCK: DTLEAsE PAINT ALL TIEGIUIRED INFonf1hTIQ 43 1

LRCEtISEE LICENSE F.VF.tTT NhtalE LICENSE NUMOER ~ I TYPc 'T YPE Jog A 1, 0 R 2 2 L000 0LoJ 0 0 0 0 0J 4 1 1 1 i30 Loll

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7 89 14 15 t-~ Jeayt 25 'I, 26 31 32 AEPOAT REPOAT Q t)'I I'I ChTEGOAY TYPE SOURCE DOCKET NUMSEA EVENT OhTE REPORT OhTE IoegtoItr L L ~05 0 0 2 6 0 Qo 2 t 7 8 57 58 59 60 61 68 69 74 75 Bn EYENT DESCRIPTION I I Two heat detectors which would not alarm were found in the fire rotection s stem for~

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~06 7 8 9 Pre E SYSTEM CAUSE COMPQNEitIT COMPONENT CODE COO E cotnpoNENT cooE SUPPLIER MnNLIrncTURER VCthTON t00j7 IA B ~E I N S T R 0 L 43 44

~Kl 2 0 R 7 8 9 10 11 12 17 47 48 CAUSE DESCRIPTION LOQB The heat detectors'ould not respond to heat. Kidde t e S-16-R detectors which 7 0 9 I failed vere re laced vith a nev t e detector Renvoi t e 2 121-0 7 89 80 QoJ L I

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7 8 9 80 FhCuIY METHOO OF POWER OTIIER STATUS OISCOYERY otscovEAY oEscR'r'TIGN

~io STATUS E o NA B NA 9 10 12 13 44 45 46 FORM OF ACTIVITY CotoTEttT RE'nact OF AcLEASE' AMOUNT CF hCTIVITY LOCATION OF AELEhSE NA NA 9 10 11 44 80 PERSONNFL EXPOSURES NULISER TYPE OESCR'PTION

'7 ~00 O ~2 8 9 1'I 12 13 8 Ji PERSOIXINEL INJURIES NUMBER OFSCRIPTION

) OJO~IO 9 11 OFFSITE CONSEGUENCES 7 89 LOSS OR DA'fiAGE TO FACILITY TYPE OESCRIPTION t116j a 7 89 10 80 PUBLICITY

~r 7 89 ADDITIONAL FACTORS 7 8 9 7 09 J

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