ML19309H200

LER 80-017/04T-0:on 800424,during Routine Discharge of Waste Gas Decay Tank B,Discharge Flow Recorder Found Inoperable. Discharge Was Stopped.Caused by Dirty Clutch Drive Assembly. Clutch Drive Assembly Cleaned

ML19309H200
Person / Time
Site:	Millstone
Issue date:	05/05/1980
From:	Bates R NORTHEAST NUCLEAR ENERGY CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19309H197	List: ML19309H196 ML19309H200
References
LER-80-017-04T, LER-80-17-4T, NUDOCS 8005090341
Download: ML19309H200 (1)

Text

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NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSLON LICENSEE EVENT REPORT 800509034/

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI lo lil8l 9Cl TlLICEN5EE 7

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REPORT oATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 1012 l 1 D' u ring a routine discharge of the "B" Waste Gas Decay Tank, the discharae flow -I o 3 i recorder was observed to be inoperable and the discharge was stopped. The discharoe I l o 14 I l was subsequently resumed and completed within the limits of the discharge permit usino I i

Io is l I an alternate flow rate monitoring method, after verifying no flow or radiation limits I o s l had been exceeded. There are no consequences of this event because the discharge l l o l 7 l l was made and completed in accordance with Environmental Technical Specifications, l

,oi3, i Section 2.4.2.3.A. I

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44 47 CAUSE DESCRIPTloN AND CORRECTIVE ACTIONS h li lo j l The recorder was declared inoperable due to erratic flow rate indication which was I li ii i I due to a dirty clutch drive assembly. The clutch drive was cleaned, the recorder I i,,7, l calibration checked and the unit was returned to service. The recorder is a General I r- g1 l Electric, Model 530. l u_L4_j l l C' '

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