ML20090E472

Telecopy Ro:On 750911,diesel Generator Cooling Water Pump Breaker on Bus 28-3 Tripped

ML20090E472
Person / Time
Site:	Dresden
Issue date:	09/11/1975
From:	Stephenson J COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8303310667
Download: ML20090E472 (2)

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JA"e5 G <EPPLER, REGIONAL DIRECTOR. DIRECTORIATE OF REGULATORY e

OPERATIONS REGION THREE US NUCLEAR PEGULATORY COMMISSION 799 R00SEVFLT RD O

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SUBJECT:

09R=19, DRESDEN NUCLEAR P0aER STATION, UNIT TWO.

O THIS 4Itt CONFIR-A CONVERSATION aITH PR P JOHNSON OF YOUR OFFICE AT e

330 DM THIS DATE CONCERNING A TRIP OF 2/3 DIESEL GENERATOR COOLING WATER P!)"P BREAKER ON BUS 28-3 THE PUMP WAS RUNNING FOR A TEST OF Q

TwIS BREAwER aHICw HAD TRIPPED ON Q=2=75 WHILE THE DIEEEL GENERATOR e

nAS IN SERVICE. THIS PUwP NAS AN ALTERNATE FEED ON BUS 38-3, AT TME TIME Or THE PUMG TRIP U7 NIT TWO wAS OPERATING AT 810MWE. UNIT O

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UNITEo STATES o

NUCLEAR REGULATORY COMraTSSION OFFICE OF INSPECTION AND ENFORCEMENT REGION lli 799 ROOSEVELT RO AD GLEN ELLYN, ILLINOIS 60137

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A.

IE Inspection Report No.

Transmittal Date Distribution:

Distribution:

IE Chief, FS&EB IE Chief, FS&EB IE: LIQ (5)

IE:HQ (4) l DR Central Files L:D/D for Fuels & Materials j

Regulatory Standards (3)

DR Central Files j

Licensing (13)

IE Files IE Files IE Chief, M& PPB L:D/D for Reactor Project i

B.

IE Inquiry Report No.

Transmittal Date Distribution:

Distribution:

IE Chief, FS&EB IE Chief, FS&EB IE: liq (5)

IE:llQ DR Central Files DR Central Files Regulatory Standards (3)

IE Files Licensing (13)

IE Files C.

Incident Notification From: commonwealth Edison Comnany 50-237 (Licensec & Docket No. ~(or License No.)

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Transmittal Date September 12, 1975 Dresden Unit #2 Distribution:

Distribution:

TE Chief. FS&EB IE Chief, FS&EB IE:llQ (4)

IE:llQ (4)

Licensing (4)

L:D/D for Fuels & Materials DR Central Files DR Central Files IE Files IE Files

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1. 1. 76-1916

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