ML18283B461

Licensee Event Report Concerning the Drywell Air Sampling System That Remained Inoperable Twice for Periods Greater than 24 Hours

ML18283B461
Person / Time
Site:	Browns Ferry
Issue date:	10/13/1976
From:	Fox H Tennessee Valley Authority
To:	Moseley N NRC/IE, NRC/RGN-II
References
Download: ML18283B461 (6)

Text

1 NRC FoAM 196 r U.S. NUCI.CAA REGULATOAV COI'ION 5'0-DOCKET NUMBER I2 76) 2 P(p-FILE NUMBER NRC DISTRIBUTION FoA PART 50 DOCKET NIATERIAL INCIDENT REPORT TO: Mr Moseley FROM: Tennessee Valley Authroity DATE OF Oo CUML' T Chattanooga, Tn 10-13-76 J E Gilleland DATE RECEIVED 11-5-76

%LETTER ONOTOAIZED PROP INPUT FOAM NUMBER OF COPIES RECEIVED NOR IGINAL fitfUNC LASS IF I E D Ocopv one signed DESCRIPTION ENCL.OSU AE Ltr trans the following: Licensee Event Report (R087614) on 9-14-76 concerning inoperability of drywell air samp-ling system

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.NOBODY gEJE0v, PLANT NAME: Browns Ferry iP3 NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J..COLLINS FOR ACTION/INFO RMATION -7 e KVDICH CHIEF:

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TENNESSEE VALLEY AUTHORITY.

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QQQ(E October 13, 1976 -;.I.,Q& ~N gg.

Mr. Norman C. Moseley, Director i8/g~

U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement l~

Region II 230 Peachtree Street, NW., 8th Floor Atlanta, Georgia 30303

Dear Mr. Moseley:

TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT UNIT 3 DOCKET NO. 50<<296 - FACILITY OPERATING LICENSE DPR-68 REPORTABLE OCCURRENCE REPORT BFRO-50-296/7614 The enclosed report is to provide details concerning the drywell air sampling system that remained inoperable twice for periods greater than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Analyses of grab samples were not performed as required. This report is submitted in accordance with Browns Ferry Technical Specifications Section 6. This event occurred on Browns Ferry Nuclear Plant unit 3.

Very truly yours, TENNESSEE VALLEY AUTHORITY pocKETED QNRQ 2

S. Fox NDV5 1976 Director of Power Production To tip) ggeLUR eoMMlss Ml-

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Director (3)

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

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 938~8 An Equal Opportunity Employer

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" ".. ENIEII~e, CONTROL BLOCK:i (PLEASE PAINT ALL RECIIjtRED INfORMATIDIII) 1 6 I.tCENSFE LICFNSE EVENT NAME LICENSE NUMOEA TYPE TYPE 0

I0O~] LA 7 09 L 0 R E 3 14 15 0 0 0 0 I 25 '6 REPORf AEPOAT CATEGOflY "

TYPE SOURCE OOCKET NUMBER EVEN f DATE REPORf OATE IQD1j CON'T t Q ~L 0 5 0 t I 0 9 1 4 7 8 57 58 59 60 61 68 69 74 75 60 EVENT OESCRIPTION

~0 2 I Dr ell air sam lin s stem twice remained 0 9 60 Q 3 CQ Analyses of grab sam les were not erformed as re u BFRO-50-296 7614 7 0 9 80 80 7 8 9 7 8 9 FACIE SYSTEM CAUSE COMPQtgEt(T COI.I((OVEI(I COOE COOE COMPONFNT COO E SUP PUEA MANUFACI<<cR Ioorl ~1E A ~I R g T 7 0 9 10 11 12 17 43 44 47 40 I

CALISE OESCR!PTION IOO~] Condensation from air sam le collected in the radiation monitor 7 89 60 failure.. Alternate redun dant sam lin rendu'.

7 0 9 SI'I i 7 09 FACIUTV METHOO OF SIA'fUS  % 'PO'LVEA OTHER STATUS OISCOVEAY DISCOVERY OESCR(PIION

[ii) '. ~i 7 0 9 Logl' oi 10 12 13 44 13 45 46 NA FORM OF AC I IVITY CoiNTENT Bf LEASEO OF RELEASE. AtllOUNT OF ACTIVAY LOCATION OF RELEASE IZI ' ME.

7 8 LiI 10 11 44 45 NA PERSONNEL EXPOSURES 7 09 Lo~~ ~z 12 13 00 PERSONNCL INJURIES LU0 H$4 Lo ~0 7 8 9 .-11 1?

Ol'FSITE CONSEQUENCES NA 7 80 eo LOSS OR 0('(Ii(iAGE TQ PACILIT (

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7 10 e PIJBLICITY 7

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)Temperature of systems heat tracing has been .incieased to hei eliminate condensatign~

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7 8 9 00 L([!1( Igigns will be Placed an monitors stating when to initiate~sam li~n Programe 7 00 f(I IQNC:

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