ML19345A709

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Ro:On 721227,several Minutes After Routine Surveillance Test Was Initiated,Radiator Coolant Hose Released from Recirculating Heater Outlet Connection.Caused Loose Hose Clamp.Hose Reinstalled & Clamp Tightened
ML19345A709
Person / Time
Site: Yankee Rowe
Issue date: 01/09/1973
From: Autio H
YANKEE ATOMIC ELECTRIC CO.
To:
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8011250016
Download: ML19345A709 (2)


Text

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January 9, 1973

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United States Atomic Energy Commission

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Reference:

License No. DPR-3 (Docket No. 50-29)

Dear Sirs:

Following a plant review it has been determined that the following incident is subject to the reporting requirements of Section 5.7 of the Technical Specifications submitted with Proposed Change No. 105.

A routine surveillance test was being conducted on the No. 3 Emergency Diesel Generator on December 27, 1973. Several minutes after the test was initiated, a radiator coolant hose re-leased from a recirculating heater outlet connection. The diesel generator was secured.

A hose cla p was found to be loose. The hose was reinstalled and the clamp tightened. The engine was restarted and the surveillance test concluded successfully.

Very tmly yours,

$4 4k h, $

lierbert A. Autio Plant Superintendent ilM

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