ML19345B120

LER 80-034/03L-0:on 801031,auxiliary Bldg Special Vent Exhaust Fan 122 Tripped.Caused by Actuation of Thermal Overload Protective Device.Device Replaced

ML19345B120
Person / Time
Site:	Prairie Island
Issue date:	11/21/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19345B119	List: ML19345B118 ML19345B120
References
LER-80-034-03L, LER-80-34-3L, NUDOCS 8011260182
Download: ML19345B120 (1)

Text

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LICENSEE EVENT REPORT CONTHOL BLOCK: l l l l l l (PLEASE PRINT OR TYPE ALL REOUIRED INFORMATION) ,

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EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h lol2l i During surveillance test. No. 122 Auxiliary Building Special Vent Exhaust l p; pq i Fan tripped due to actuation of a thermal overload protection relay. Not l o 4 g repetitive (last RO of this type was 75-19). No effect on public health and i g[ safety since redundant equipment was operable. Tech Spec 3.6.E.1 applies. i O s  ! I ITTTI I I ITTTl i I 60 7 8 9 DE CO E S SC E COMPONENT CODE sus DE s E

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33 J4 J's 34, 3I 40 44 42 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 gl Operation of theru l_ overload protective device. Device was replaced with j i i one of higher capacity. Fan was inoperable about 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br />. l

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RELE ASED OF RELE ASE AMOUNT OF ACTivtTY LOCATION OF RELE ASE NA l l N.'. l Ii Ie 'i Lz_J

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LOSS 08 OR DAMAGE TO PACILITY g TYPE DESCRIPTION

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PUBt tCITY NRC USE ONLY 7

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. A. unStad PHGNE. 612-388-4767 NAME OF PR6 PARER {