ML20084R947

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Telecopy Ro:On 740924,during Local Leak Rate test,through- Wall Crack Discovered on Torus Purge Inlet Line 3-8506-18. Cause Not Stated.Investigation Into Failure & Repair Procedures Underway
ML20084R947
Person / Time
Site: Dresden Constellation icon.png
Issue date: 09/24/1974
From: Stephenson B
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084R941 List:
References
NUDOCS 8306160082
Download: ML20084R947 (1)


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. 5 PMS JAMES G KEPPLER, REGINAL DIRECTOR DIRECTORATE OF REGULATORY E OPERATIONS-REGION IIIUS ATOMIC ENERGY COMMISSION , DLR

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' SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT' 3 -

WILL CONFIRM A CONVERSATION WITH F. MAURA 0F YOUR OFFICE AT llAM THIS DATE CONCERNING A THROUGH WALL CRACK DISCOVERED ON TORUS PURGE INLET LINE 3-8506-18". THE CRACK WAS DISCOVERED

(~: WHILE THE UNIT VAS SHUT DOWN AND LOCAL LEAK RATE TESTING WAS

.O IN PROGRESS. INVESTIGATION INTO THE FAILURE MODE AND REPAIR'

'b PROCEEDURES IS UNDERWAY.

STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMMON WEALTH EDISON COMPANY RTE 1 MORRIS ILLINOIS 60450 suma '

- 8306160082 760218

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