ML20084U281

LER BFRO-50-260/7612:on 760904,two Alarms Received from Smoke Detector in Control Room.Caused by Increased Sensitivity

ML20084U281
Person / Time
Site:	Browns Ferry
Issue date:	09/29/1976
From:	Fox H TENNESSEE VALLEY AUTHORITY
To:	Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
LER-BFRO-50-260-761, NUDOCS 8306280494
Download: ML20084U281 (2)

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@ l Tuo alarms were received from a smoke detector in the control room due to increased 80 7 9_

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[] l detector sensitivity. The detector was cleaned after the first alarm and then 80 7 h9 l

@ l replaced after the second alarm. (BFRO-50-260/7612) 80 7 o5 I

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DE 1 80 7 80 myg C OE COWONtNT CODE F MP VOLATON

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Q l Detector failed.

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r 0SCOVERY OESCRa'T:ON sTaNs  % power OTHtn STATUS O SCOvinY 7 0 W l 0l 0l 0l l NA 10 12 13 44 l W 45 4G l Alann received in control roo:n B0 l

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Dear Mr. 1:

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T!. ;rJJJ31'U VALCI AUEIORI'fi ~- 3rGT1312RRY IIUCIZAR IIAITf EIIT 2 -

DCCT1 I;D. SG-27,>0 - FACIGF'T O'"NZET3 LICE:IDE D.'R ICMRIAIG:

- OCCUTUC!CE Rra? E'R0(0-260 f '(61D r The enclo::c1 report, is to provide details concerninc two alar. s that- voro roccived frou a a:_a':c det.ector in the contral rau due to increased detector acncitivity. - 213 re:: ort is nu's.dtted in accordance with Erounn Ferrf 2achnical 3;ccificatioim Scction 6.

Z1in cycat occurred.en Brcuns Ferr/ Unclear Plant uait 2.

Very truly yours,

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TEICl10S!!U VAIL 1Tf AUZdORITI -

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Director of Pouer Iroduction .

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