ML17266A158

LER 80-010/03L-0:on 800217,during 100% Power Operation, Control Element Assembly 65 Dropped to Full Insertion When Selected to Manual Insertion for A.S.I. Damping.Cause Undetermined.Assembly Operated Properly in Normal Position

ML17266A158
Person / Time
Site:	Saint Lucie
Issue date:	03/17/1980
From:	Schoppman M FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17208A358	List: ML17208A357 ML17266A158
References
LER-80-010-03L, LER-80-10-3L, NUDOCS 8003310317
Download: ML17266A158 (2)

Text

NRC FORM DSBi U~S NUCLEAR'REGULATORYCOVIMISSION IT 775 LlCENSEE EVENT REPORT CONTROI; BLOCK' I,'Q {PLEASE PRINT OR TYPE *I.LREQUIRED'INPORMATIONI

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During. 100tP power operation,CEA. 65 dropped to full insertion when selected

~o, 3 .to manual insertion for A S.I damping.. ACTION in accordance- with Tech Spec., 3.1 3'.f was'niefated and reactor power was reduced. CEA 65 was

~o s restored to. its'ormal osition within'ne hour. The reactor was returned to 100X power. This is the si'xth occurrence. of a dropped CEA for which

~o 2 the cause is unknown. See LEP.'s 335-77-6 78-20 78-46 79-2 and 79-27.)l

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!!!! ' I I 30 NAME OF PREPARER M.. A. Schoppman POEl~305) 552-3802