ML20084R643

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Telecopy Ro:On 750210,leak Discovered in 3/4-inch Vent Line at Well on Reactor Feed Pump Casing 3C.Caused by Vibration. Line Being Repaired
ML20084R643
Person / Time
Site: Dresden Constellation icon.png
Issue date: 02/10/1975
From: Stephenson B
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8306150265
Download: ML20084R643 (3)


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VEE 222 ( l 74 8) (2-036539E 041) PD 02/10/75 1747 ICS IPMBNGZ CSP 8159424449 TDBN MORRIS IL 89 02 054 7P EST PMS JAMES G_JEEfLER, REG IONAL DIRECTOR, DIRECTORATE OF REG ULATORY OPERAT ION, REG ION 3 US A.0MIC ENERGY COMMISSION, WUX 799 R00SEVELT RD GLEN ELLYN IL 60137 SUB JECT : DPR-25 DRE SDEN NUCLEAR POWER STATION UNIT 3.

gg THIS WILL CONFIRM A CONVERSAIION WITH PHIL JOHNSON OF YOUR OFFICE AT I

1600 HOURS THIS DATE CONCERNING A LEAK I N A 3 /4 INCH VENT LINE AT A O(

WELL ON 3C REACTOR FEED PUMP CASING. THE FA ILURE MODE APPEARS TO BE

$a DUE TO VIBRATION, AND REPA IR IS IN PROGRESS. LEAKAGE WAS MINOR AND nn a g<

WAS CONTAINED IN NORMAL BUILDING FLOOR DRA INS. AS THIS IS A SYSTEM BOUNDARY DESIGNED TO CONTAIN RADI0 ACTIVE MATERIALS THIS NOTIFICATION WILL BE FOLLOWED B Y A 10 DAY REPORT.

.01 (RS49)

BB STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON C0 RR1 MORRIS IL 60450 NNNN l

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DIRECTORATE OF REGULATORY OPERATIONS o

v REGION til 4 ras d 799 ROOSEVELT ROAD ym GLEN ELLYN, ILLINOIS 63137 012)85s.2660 A.

RO Inspection Report No.

Transmittal Date Distribution:

Distribution:

R0 Chief, FS&EB R0 Chief, FS&ED R0: LIQ (5)

RO:IIQ (4)

DR Central Files L:D/D for Fuels & Materials Regulatory Standards (3)

DR Central Files Licensing (13)

RO Files RO Files B.

RO Inquiry Report No.

Transmittal Date Distribution:

Distribution:

RO Chief, FS&EB R0 Chief, FS&EB RO: LIQ (5)

RO: liq DR Central Files DR Central Files Regulatory Standards (3)

R0 Files Licensing (13)

RO Files C.

Incident Notification From: Commonwealth Edison Co., Docket No. 50-249 (Licensee & Docket No. (or License No.)

FEB 2 8 1975 Transmittal Date Distribution:

Distribution:

AQ_ Chief. FS&EB RO Chief, FS&EP R0:llQ (4)

RO:HQ (4)

Licensing (4)

L:D/D for Fuels & Materials DR Central Files DR Central Files R0 Files RO Files

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