PNO-III-86-153, on 861222,reactor Started Up,Terminating Outage Which Began During 850609 Loss of Feedwater Event. Reactor Placed in Mode 1.State of Oh Will Be Informed

PNO-III-86-153:on 861222,reactor Started Up,Terminating Outage Which Began During 850609 Loss of Feedwater Event. Reactor Placed in Mode 1.State of Oh Will Be Informed

ML20212B559
Person / Time
Site:	Davis Besse
Issue date:	12/22/1986
From:	Defayette R, Guldemond W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-III-86-153, NUDOCS 8612290272
Download: ML20212B559 (1)

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PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-III-86-153 Data Decemb:r 22, 1986 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety cr.public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region III staff on this date.

Facility: Toledo Edison Company Licensee Emergency Classification:

Davis-Besse Nuclear Plant Notification of an Unusual Event Oak Harbor, OH 43449 Alert Site Area Emergency Docket No. 50-346 General Emergency X Not Applicable

Subject:

STARTUP AFTER 18-MONTH OUTAGE On December 22, 1986, the reactor was started up, terminating an outage which began June 9, 1985, when a loss of feedwater event occurred. The reactor was placed in Mode 2 (startup) at 1:52 a.m. (EST): criticality was achieved at 2 a.m. The Senior Resident Inspector was in the control room monitoring startup activities and observed criticality. An augmented inspection team from Region III (Chicago) is on-site to review plant operations.

At 9:11 a.m., December 22, 1986, the reactor was placed in Mode 1 (operation above 5 percent power). The licensee's schedule calls for 10 days of testing culminating in a reactor trip test from approximately 92 percent power.

The plant startup was authorized by the Office of Nuclear Reactor Regulation on December 19, 1986, following a startup recommendation from Region III.

The State of Ohio will be informed.

This information is current as of 10 a.m., December 22, 1986.

CONTACT:

ggaas R. DeFayet e WAM-g W. G. Guldemond FTS 388-5767 FTS 388-5574 DISTRIBUTION:

H. St. ED0 NRR E/W Willste Pail: ADM:DMB Chairman Zech PA IE NMSS D0T:Trans only Comm. Roberts ELD OIA RES Comm. Asselstine AE0D NRC Ops Ctr /~/3 Comm. Bernthal Conn. Carr SP /).VO Regional Offices ACRS SECY INP0 /)'s/J NSAC /) 'S 7 CA RIII Resi'd ent Office PDR Licensee: /,*/f (Corp. Office - Reactor Lic. Only) 3 8612290272 861222 PDR IEE PNO-III-86-153 PDR Region III O\

Rev. November 1986

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