ML20084U728

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Telecopy Ro:On 770117,discharge/lake Delta Temp Exceeded Twice & Control Rod Misaligned During Withdrawal for Critical Approach
ML20084U728
Person / Time
Site: Palisades Entergy icon.png
Issue date: 01/18/1977
From: Lewis J
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Baker K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084U589 List:
References
NUDOCS 8306290205
Download: ML20084U728 (1)


Text

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TI'I S IS TO CONFIRM TELECON WITH NED CHOLES CONCERNING TWO REPORTABLE l

O EVENTS AT PALISADES YESTERDAY AFTERNOON.

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FIRST, THE DISCHARGE / LAKE DELTA T WAS EXCEEDED ON A 100 PERCENT PLAN T

TRIP AND AGAIN ON A 35 PERCENT TRIP.

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JAN 2 41977

.,O =c a.-SEc0ND, A CONTROL ROD WAS MISALIGNED OVER 8 INCHES WHILE WITHDRAWING. %

SD GROUP IN PREPAR ATION FOR CR IT ICAL APPROACH.

THE LATTER IS' DEEMED ~

O TENATIVE REPORTABLE PENDING DISCUSSION WITH K R BAKER.

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ITEM NOT DISCUSSED WITH NED CHOLES WAS A SECOND MISALIGNED CONTROL 9

ROD JUST PRIOR 10 THE 35 PERCENT TRIP.

AN OPER ATOR RE ALIZING THE O

PLANT WAS GOING TO TRIP ON LOSS OF FEEDWATER ATTEMPTED TO RUN THE O

HODS IN TO SAVE A REACTOR TRIP AND INADVERTANTLY R AN ONE ROD DOWN O

INSTEAD OF THE WHOLE GROUP.

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JG LEWIS PALISADES PLANT CONSUMERS POWER COMPANY

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