ML20084U728

Telecopy Ro:On 770117,discharge/lake Delta Temp Exceeded Twice & Control Rod Misaligned During Withdrawal for Critical Approach

ML20084U728
Person / Time
Site:	Palisades
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: ML20084U588 ML20084U601 ML20084U619 ML20084U664 ML20084U683 ML20084U705 ML20084U713 ML20084U728
References
NUDOCS 8306290205
Download: ML20084U728 (1)

Text

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GLEN ELLYN, IL 0 O[N g --

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e TI'I S IS TO CONFIRM TELECON WITH NED CHOLES CONCERNING TWO REPORTABLE l O EVENTS AT PALISADES YESTERDAY AFTERNOON. g 9 sd O FIRST , THE DISCHARGE / LAKE DELTA T WAS EXCEEDED ON A 100 PERCENT PLAN T

TRIP AND AGAIN ON A 35 PERCENT TRIP.

b u.,=, m. 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. O O 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. O O

JG LEWIS

• PALISADES PLANT CONSUMERS POWER COMPANY - - ~ ~

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