PNO-IV-89-049, on 890808,reactor Shutdown to Stop Drywell Leakage.Shutdown to Last 7 Days to Replace Recirculation Pump Seal

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PNO-IV-89-049:on 890808,reactor Shutdown to Stop Drywell Leakage.Shutdown to Last 7 Days to Replace Recirculation Pump Seal
ML20245J070
Person / Time
Site: River Bend Entergy icon.png
Issue date: 08/08/1989
From: Constable G
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
References
PNO-IV-89-049, PNO-IV-89-49, NUDOCS 8908170483
Download: ML20245J070 (1)


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<O August 8, 1989 PRELIMINARY NOTIFICATION OF EVENT 0R UNUSUAL OCCURRENCE -- PNO-IV-89-49 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region IV staff on this date.

FACILITY: Gulf States Utilities Licensee Energency Classification:

River Bend Station Notification of Unusual Event Docket: 50-458 Alert Site Area Emergency General Emergency X Not Applicable

SUBJECT:

SHUTDOWN TO EXCEED 48 H S y

OnAugust8,1989,at5:20a.m.[thelicenseebeganareactorshutdownfrom 100 percent power. The shutdown is proceeding in an orderly manner at 10 percent per hour. The licensee has been experiencing a slow increase in unidentified drywell leakage over the previous week. The unidentified leakage is presently at 4 gpm with an associated Technical Specification limit of 5 gpm.- The leakage appears to be coming from the "A" recirculation pump outboard seal. The outage is expected to last 7 days with replacement of the recirculation pump seal as the critical path item.

Neither the licensee nor the NRC plans to issue a press release.

The state of Louisiana will be informed.

Region IV received notification of this occurrence by telephone from the resident at 7:45 a.m., August 8, 1989. Region IV has informed the EDO, NRR, and the PA.

This information has been confirmed with a licensee representative.

CONTACT: G. L. Constable, FTS 728-8151 DISTRIBUTION:

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