ML20084R756
| ML20084R756 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 08/28/1974 |
| From: | Stephenson B COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084R750 | List: |
| References | |
| NUDOCS 8306150537 | |
| Download: ML20084R756 (2) | |
Text
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W %UG28 Py5 3, VEE 305(1833)(l-040888C240)PD 08/28/74 1829 ICS IPMVEIA MVN 01317 PDC TDVE MORRIS IL 144 08-28 330P CDT
'i PMS JAMES G KEPPLER REGION AL DIRECTOR DIRECTORATE OD REGUL ATOR OPER ATION TELEPHONE NBR.[_k 7
[Jh REGION 3 WUX mEPHONED To 6[____ add US ATOMIC ENERGY COMMISSION "TE DLD.__ f/)f Tn!E,
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SUBJECT:
DPP-25, DRESDEN NUCLEAR POWER STATION UNIT 3 THIS WILL CONFIRM A CONVERSATION WITH F. MAURA 0F AT 1420 HOUR THIS DATE CONCERNING A FAILURE TO MAINTA THE 3A CORE SPRAY DISCHARGE HEADER IN A FILLED CO rg g g g: -
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S"'"'WETUIRED BY SPECIFIC ATON 3 5 H O i
F THE TECHINIDAL SPECIFICATIONS J
ON 8-28-74 AT APPROXIMATELY 5AM FOLLOWING THE COMPLETION O CORE SPRAY PUMP SURVEILpANCE TEST CONDUCTED IN ANTICIPATION OF A plt.ANED DIESEL GENERATOR INSPECTION IT WAS NOTED THAT THE PRESSURE INDICATED ON THE 3A CORE SPR AY DISCHAGE HEADER WAS BELOW THE NORMAL 80 PSIG.
INVESTIG ATION REVEALED THAT THE PUMP DISCHARGE STOP CHECK HAS APPARENTLY NOT SEATED FULLY ALLOWING THE HEADER TO DE-PRESSURIZE THE SITUATION WAS RECTIFIED BY 10 AM ON 8-28-74 AND THE HEA VENTED THE PRESSURIZED NORMALLY ADDITIONAL DETAILS ARE IN THE FORM 0F A 10 DAY LETTER 8306150537 740919 PDR ADOCK 05000249 B B STEPHENSON S
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SUPrdTENDENT DRESDEN NUCLEAR POWER STATION 1 "'C'DMMONWEALTH EDDISON C0 RR!
l MORRIS IL 60450 l
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p,cs c UNITED STATES e
ATOMIC ENERGY COMMISSION 1
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DIRECTORATE OF REGULATORY OPERATIONS REGION 111 o
88 d 799 ROOSEVELT ROAD mg GLEN ELLYN. ILLINOIS Bo:37 012)858-2660 A.
RO Inspection Report No.
Transmittal Date Distribution:
Distribution:
R0 Chief, FS&EB R0 Chief, FS&EB R0:HQ (5)
RO:HQ (4)
DR Central Files L:D/D for Fuels & Materials Regulatory Standards (3)
DR Central Files Licensing (13)
RO Files R0 Filec B.
RO Inquiry Report No.
Transmittal Date Distribution:
Distribution:
R0 Chief, FS&EB R0 Chief, FS&EB RO:HQ (5)
RO:HQ DR Central Files DR Central Files Regulatory Standards (3)
RO Files Licensing (13)
R0 Files
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Incident Notification From: Commonwealth Edison Co.
Docket NO. 50-249 (Licensee & Docket No. (or License No.)
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Transmittal Date
- _0ctober 23. 1974 Distribution:
Distribution:
_RO Chief, FS&EB R0 Chief, FS&EB RO:HQ (4)
RO:HQ (4)
Licensing (4)
L:D/D for Fuels & bbterials DR Central Files DR Central Files R0 Files R0 Files
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