ML20084L856

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Telecopy Ro:On 740623,air Supply Failed to Feed Water Regulating Valve Resulting in Chain of Events That Caused Severe Vibration & Damage to Pipe Hangers & Supports. Shutdown Initiated
ML20084L856
Person / Time
Site: Dresden Constellation icon.png
Issue date: 06/24/1974
From: Stephenson B
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084L855 List:
References
NUDOCS 8305240040
Download: ML20084L856 (3)


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VEA240(1654)(1-033993C175)PD 06/24/74 1651 ICS IPNVEIS MVN 02076 TDVE MORRIS'IL-93 06-24 233P CDI PMS JANES G KEPPLER REGIONAL DIRECTOR 33333)

DIRECTORIATE OF*REGULAT0g0JERSIIQNSHER W#

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@4 Om THIS WILL CONFIRM A CONVERSATION WITH F MAURA 0F YOUR OFFICE AT' pc.m 9 0' CLOCK AM THIS DATE CONCERNING A FAILURE OF THE AIR SUPPLY-(

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i 01Q TO THE FEED WATER REGULATING VALVE THAT OCCURRED JUNE 23, 1974 1 - SF.1201 (R$49)

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e Telegram vv ~. yestern union AT 1014 PM THIS FAILURE STARTED A CHAIN OF EVENTS THAT CAUSED SEVERE VIBRATIONS AND DAMAGE TO PIPE HANGERS ~ AND SUPPORTS AN ORDERLY SHUI.DOWN OF THE REACTOR WAS INITIATED THE REAC10R WAS Sua CRITICAL AT 7.0' CLOCK AM m

B B STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMM0tiWEALTH EDISON CO ROUTE'1 MORRIS IL 60450 NNNN-JUN i

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