ML19340A612

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Forwards Control Rod Drive Insp Rept for 1964
ML19340A612
Person / Time
Site: Dresden Constellation icon.png
Issue date: 07/17/1964
From: Bower D
COMMONWEALTH EDISON CO.
To: Doan R
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19340A613 List:
References
640714, NUDOCS 8008280683
Download: ML19340A612 (1)


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Commonwealth Edison Company

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July 17,1964 g ~'Iif(,,

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Dr. Richard L. Doan, Director 2

Division of Reactor Licensing

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4 U. 3. Arcaic Energy Commission (1

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Dear 3r,

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D In accordance with the requirements of License DPR-2, Appendix A, as amended by chantte No. 7, dated April 9, 1364, the trasden reactor control rod drives were tested and inspected during the refueling outage in April and May,1964 The attached riport includes the results of inspection of four drives:

.;-4 Malf.nc-i;n - n;cx drive C-4 Malfunction - stuck drive E-9 Malfunction - drifted out of the core slowly when used as cocked red during a re fueling C-3 Operabla drive with history of high friction Despite malfunctioning on three of the four drives, they were all capi. ale of being inserted into the core. Subsequent inspections in-dicated that no overall failure of ccuponents had occurred or was imminent.

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