05000369/LER-1981-044-37, /03L-0:on 810410,while in Mode 3,Train a of Control Area Ventilation Sys Was Declared Inoperable Due to Failure of a Chiller.Caused by Low Setting on Chilled Water Thermostat.Chiller Restarted & Temp Controller Adjusted

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/03L-0:on 810410,while in Mode 3,Train a of Control Area Ventilation Sys Was Declared Inoperable Due to Failure of a Chiller.Caused by Low Setting on Chilled Water Thermostat.Chiller Restarted & Temp Controller Adjusted
ML20009C366
Person / Time
Site: McGuire Duke Energy icon.png
Issue date: 05/10/1981
From: Ouellette R
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C355 List:
References
LER-81-044-037, LER-81-44-37, NUDOCS 8107200489
Download: ML20009C366 (1)


LER-1981-044, /03L-0:on 810410,while in Mode 3,Train a of Control Area Ventilation Sys Was Declared Inoperable Due to Failure of a Chiller.Caused by Low Setting on Chilled Water Thermostat.Chiller Restarted & Temp Controller Adjusted
Event date:
Report date:
3691981044R37 - NRC Website

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73 pep.AfoATE 89 EVENT DES'.AIPTloN AND PRQSASLE CONSEQUENCES hio o

While in Mode 3, initial fuel roading, Train A of the Control Area i

Ventilation System was declared inoperable because the A chiller g

ga would not start.

This is in violation of TS 3.7.6 and is reportable per T.S. 6.9.1.13 (b).

Since no overheating occured and a redundant o, g Train was operable, the health and safety of the public were not affected.,

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ml The chilled water thermestat on the A chiller was set too low causing i,,,ii the chiller to trip. The chiller was restarted and the chilled water g temperature controller was readjusted.

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