05000255/LER-1981-024-03, /03L-0:on 810606,diesel Generator 1-1 Valve CV- 0884 Observed Passing Full Flow W/Actuator in Closed Position.Caused by Sheared Operator to Valve Shaft Key Due to Damaged Liner Permitting Misalignment of Shaft & Disc

/03L-0:on 810606,diesel Generator 1-1 Valve CV- 0884 Observed Passing Full Flow W/Actuator in Closed Position.Caused by Sheared Operator to Valve Shaft Key Due to Damaged Liner Permitting Misalignment of Shaft & Disc

ML20009A906
Person / Time
Site:	Palisades
Issue date:	07/02/1981
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20009A899	List: 05000255/LER-1981-024, Forwards LER 81-024/03L-0 05000255/LER-1981-024-03, /03L-0:on 810606,diesel Generator 1-1 Valve CV- 0884 Observed Passing Full Flow W/Actuator in Closed Position.Caused by Sheared Operator to Valve Shaft Key Due to Damaged Liner Permitting Misalignment of Shaft & Disc
References
LER-81-024-03L, LER-81-24-3L, NUDOCS 8107140447
Download: ML20009A906 (1)

LER-1981-024, /03L-0:on 810606,diesel Generator 1-1 Valve CV- 0884 Observed Passing Full Flow W/Actuator in Closed Position.Caused by Sheared Operator to Valve Shaft Key Due to Damaged Liner Permitting Misalignment of Shaft & Disc

Event date:
Report date:
2551981024R03 - NRC Website

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1-1 diesel eenerator) was observed to be rassine full flow. The valve 1

Io I. I I actuator, however, was in the closed position.

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lo is t I actuator was renositioned to the oten tosition, flow through the valve I

l o 16 ] l ceased. D/0 1-2 was tested ti yerifv oDerability, and reDairs were ini-l AI tiated. Event reportable per TO 3.7.21 and 6.9.2.b2.

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.7 CAuSE oESCR PTION AND CCRRECTIVE ACTIONS li f oi l Key holdine valve shaft to crerator had sheared, permitting misalign=ent I

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Instection of valve internals revealed rubber liner I

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