ML20010F756: Difference between revisions

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Revision as of 10:23, 17 February 2020

LER 81-130/03L-0:on 810805,ionization Smoke Detector in Fire Zone 72 Failed Channel Functional Test.Caused by Deterioration of Integral Printed Circuitry Due to Boric Acid Deposits in Honeywell Detector,Type TC 100A
ML20010F756
Person / Time
Site: McGuire Duke Energy icon.png
Issue date: 09/01/1981
From: Nardoci P
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010F753 List:
References
LER-81-130-03L, LER-81-130-3L, NUDOCS 8109110292
Download: ML20010F756 (1)


Text

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              ,,,,, ,and subsequently was declared inoperable per T.S. 3.3.3.7 which is reportable
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ti aifExamination of the detector (Honevuell, Type TC 100A) revealed deterioration of

              ,, ,,,;the integral printed circuitry due to boric acid deposits. The contamination                                                                                         ,

probably occurred during a testing phase of construction when leaks were dis-

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