Morning Report for April 6, 2004

Headquarters Daily Report

• REGION III

REGION III

Davis-Besse Synchronized to Grid

Licensee/Facility: FIRSTENERGY NUCLEAR OPERATING CO. Davis-Besse OAK HARBOR, Ohio Dockets: 05000346 [1] B&W-L-LP License No:

Notification: MR Number: 3-2004-0027 Date: 04/06/2004 RIII- Via Teleconf. with Site

Discussion:

This information is current as of 10:00 a.m. (EDT) on April 6, 2004. The plant is currently in Mode 1 at 100% percent power. The plant performed a down-power evolution April 5 to establish plant conditions to support de-energizing the D2 non-essential 4.16 kV switchgear bus and replacement of a faulty feeder breaker to the D2 bus. The feeder breaker was identified as faulty when, during a routine breaker swap preventive maintenance evolution, the breaker failed to open using the remote control switch. Following the down-power evolution, the D2 bus was de-energized, and the breaker was removed from the enclosure. The D2 bus was re-energized via the normal alternate power source, and the plant returned to 100% power. The replacement breaker will be installed following completion of trouble-shooting efforts on the faulty breaker. Around-the-clock resident inspector coverage was utilized to monitor plant evolutions and maintenance activities.


The Davis-Besse Oversight Panel will continue to monitor plant activities utilizing enhanced inspection oversight coverage. For non-routine evolutions occurring after normal working hours, enhanced inspection oversight coverage will continue to be expanded to monitor these activities.


Regional Action: For Information Only

Accession Numbers:

Accession No	Accession Date
ML040970333	04/06/2004

Contacts:

Name	Office Abbrev	Phone No	E-Mail
THOMAS, C S	R3	(419) 244-4494	CST1@nrc.gov