05000259/LER-1980-002-03, /03L-0:on 800112,during Shutdown for Refueling, Wind Direction Channel at 33-ft Elevation Failed Upscale. Caused by Lightning Damage at Meteorological Tower.Series 312D Millivolt to Current Converter Repaired

/03L-0:on 800112,during Shutdown for Refueling, Wind Direction Channel at 33-ft Elevation Failed Upscale. Caused by Lightning Damage at Meteorological Tower.Series 312D Millivolt to Current Converter Repaired

ML19262C584
Person / Time
Site:	Browns Ferry
Issue date:	02/08/1980
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19262C581	List: 05000259/LER-1980-002, Forwards LER 80-002/03L-0 05000259/LER-1980-002-03, /03L-0:on 800112,during Shutdown for Refueling, Wind Direction Channel at 33-ft Elevation Failed Upscale. Caused by Lightning Damage at Meteorological Tower.Series 312D Millivolt to Current Converter Repaired
References
LER-80-002-03L-02, LER-80-2-3L-2, NUDOCS 8002140585
Download: ML19262C584 (2)

LER-1980-002, /03L-0:on 800112,during Shutdown for Refueling, Wind Direction Channel at 33-ft Elevation Failed Upscale. Caused by Lightning Damage at Meteorological Tower.Series 312D Millivolt to Current Converter Repaired

Event date:
Report date:
2591980002R03 - NRC Website

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EVENT DESCRIPif 0N AND PROSABLE CONSEQUENCES h 1 was shutdown for refueling, wind direction channel at 33 feet elevation l

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7 failed upscale (T. S. 3.2.I). Wind l l as observed on wind direction recorder XR-90-102-2 0

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150 feet and 300 feet elevations were operable.

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40 41 42 4J 44 47 23 34 35 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h in f lThe series 312D millivolt to current converter was repaired and returned en service i

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t in n..f Occurre.nce Wind direction recorder XR-90-102-2 was found to be indicating at full scale by operations personnel.

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U-l refueling.

U-2 operating at 851 MWe.

U-3 cold shutdown.

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