05000306/LER-1980-022-03, /03L-0:on 800805,during Surveillance test,fan-coil Unit Dome Damper 23 Could Not Be Positioned Properly.Caused by Leaking Air Supply Line to Damper Actuator.Air Supply Line Replaced

/03L-0:on 800805,during Surveillance test,fan-coil Unit Dome Damper 23 Could Not Be Positioned Properly.Caused by Leaking Air Supply Line to Damper Actuator.Air Supply Line Replaced

ML19338C935
Person / Time
Site:	Prairie Island
Issue date:	09/02/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19338C932	List: 05000306/LER-1980-022, Forwards LER 80-022/03L-0 05000306/LER-1980-022-03, /03L-0:on 800805,during Surveillance test,fan-coil Unit Dome Damper 23 Could Not Be Positioned Properly.Caused by Leaking Air Supply Line to Damper Actuator.Air Supply Line Replaced
References
LER-80-022-03L-01, LER-80-22-3L-1, NUDOCS 8009080401
Download: ML19338C935 (1)

LER-1980-022, /03L-0:on 800805,during Surveillance test,fan-coil Unit Dome Damper 23 Could Not Be Positioned Properly.Caused by Leaking Air Supply Line to Damper Actuator.Air Supply Line Replaced

Event date:
Report date:
3061980022R03 - NRC Website

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lo I2l l Durina surveillance test, NO. 23 Fan - Coil Unit Dome Damper could not be

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lo i3i j positioned properly. Not repetitive. NO effect on public health and safety l

[o j A l l since redundant equipment was operable. Tech Spec 3.3.B.2 applies.

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CODE TYPE NO.

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40 41 42 43 44 47 CAUSE DESCRIPTION AND CCRRECTIVE ACTIONS h li lo l l Leaking air supply line to damper actua*or.

New air connection was mnrio I

I1 i11 l the next day.

In the meantime the damper was locked in its saferuards position.

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6 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBE R TYPE

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6 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRieTION 11191 b@l NA l

7 8 9 to 80 ISSUEf@l DESCRIPTION

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8009080 @.1hAME OF PREPARER PHONE: