05000325/LER-1979-007-03, /03L-0 on 790109:during Sys Component Test, Residual Heat Removal Pump D Would Not Start.Caused by Motor Switch Being in Off Position

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/03L-0 on 790109:during Sys Component Test, Residual Heat Removal Pump D Would Not Start.Caused by Motor Switch Being in Off Position
ML19261B204
Person / Time
Site: Brunswick Duke Energy icon.png
Issue date: 02/07/1979
From: Tollison A
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19261B202 List:
References
LER-79-007-03L, LER-79-7-3L, NUDOCS 7902140165
Download: ML19261B204 (2)


LER-1979-007, /03L-0 on 790109:during Sys Component Test, Residual Heat Removal Pump D Would Not Start.Caused by Motor Switch Being in Off Position
Event date:
Report date:
3251979007R03 - NRC Website

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8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT D ATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h o

7 l RHR pump "D" would not start during the LPCI/RHR System Component Test (P.T. 8.1.3).

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The Motor Control Center (MCC) circuit breaker was found in the open circuit positionI I without the charging spring compressed.

This would not allow the breaker to close 1

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and the motor to start.

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40 di 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l A switch controlling the small electric motor which is used to compress the breake*

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7-4-tM j g PREPARER

. C. Tollison, Jr.

PHONE:

1 LER CONTINUATION -- RO#

1-79-7 Facility: BSEP Unit #1 Event Date 1/9/79 construction personnel.

It is believed the charging motor switch had inadvertently been turned off Construction personnel have been asked to be extremely aware of their surroundings while working.

This is considered an isolated event, and no further corrective action is required.