PNO-III-88-045, on 880518,licensee Began Plant Shutdown from 100% Power to Repair Hydrogen Seal Oil Sys for Main Generator.Caused by Sys Level Controller Failure.Seal Oil Sys Repair & Main Generator Inspection Scheduled

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PNO-III-88-045:on 880518,licensee Began Plant Shutdown from 100% Power to Repair Hydrogen Seal Oil Sys for Main Generator.Caused by Sys Level Controller Failure.Seal Oil Sys Repair & Main Generator Inspection Scheduled
ML20154P273
Person / Time
Site: Perry FirstEnergy icon.png
Issue date: 05/18/1988
From: Cooper R, Knop R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-III-88-045, PNO-III-88-45, NUDOCS 8806030281
Download: ML20154P273 (1)


PRELIMINIRY' NOTIFICATION OF EVENT OR UNUShAL OCCURRENCE--PNO-IIZ-88-45 Date May 18, 198

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This preTiminary notification constitut EARLY-joticeofeventsofPOSSIBLEsafety or 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, p

Facility: Cleveland Electric Illuminating Licensee Emergency Classification:

Company Notification of an Unusual Event Perry Unit 1 Alert Perry, OH 44081 Site Area Emergency General Emergency Docket No. 50-440 X -Not Applicable

Subject:

SHUTDOWN FOR GENERATOR REPAIRS At about 4 a.m. (EDT) on May 18, 1988, the licensee began to shut the unit down from 100 percent power to repair the hydrogen seal oil system for the main generator. Earlier,

-the level controller in the system failed and dumped up to 600 gallons of oil into the main generator casing. The licensee anticipates an outage of at least three days to repair the seal oil system and inspect the main generator for effects of the seal oil. (In June 1987 the main generator bushin coolant to the bushings.)gs failed as a result of seal oil blocking the flow of hydrogen The resident inspectors are monitoring the licensee's activities.

The State of Ohio will be notified.

Region III (Chicago) was notified of the shutdown on May 18, 1988. This information is current as of 10 a.m., May 18, 1988.

$C di'C d CONTACT: R.Coope&c-r R. Knop FTS 388-5578 FTS 388-5547 l

DISTRIBUTION:

WFN 1 NMBB Phillips E/W WFN 1

, Chairman Zech XEDD NRR DTA N l Com. Roberts ARM 01 SLITP Com. Bernthal Mail To:

g/ D ED0 i Comm. Carr PA Resident Inspector Offices DCS(Original) l Comm. Rogers OGC Resident Inspector D0T(Trans.Only) 0 l l SECY j OGC-H FAX T0: Nicholson Lane Regions CA INPO f . g RES Region I GPA NSAC // 3 / Region II ACRS Licensee /.yc Region IV

PDR HQS. Operations Officer /.'3 # Region V

.8806030281 880518 Region III

.. P D R ILE Rev. November 1987 PNO-III-88-045 DCD