05000260/LER-1980-012-03, /03L-0:on 800223,while in Cold Shutdown for HPCI Turbine Bearing Support Pedestal Repairs,Unit Was Unable to Return to Svc.Caused by Out of Svc Condition of Hpci.Repairs Completed & Unit Returned to Svc

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/03L-0:on 800223,while in Cold Shutdown for HPCI Turbine Bearing Support Pedestal Repairs,Unit Was Unable to Return to Svc.Caused by Out of Svc Condition of Hpci.Repairs Completed & Unit Returned to Svc
ML18024B439
Person / Time
Site: Browns Ferry 
Issue date: 03/19/1980
From:
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18024B438 List:
References
LER-80-012-03L-01, LER-80-12-3L-1, NUDOCS 8003260579
Download: ML18024B439 (4)


LER-1980-012, /03L-0:on 800223,while in Cold Shutdown for HPCI Turbine Bearing Support Pedestal Repairs,Unit Was Unable to Return to Svc.Caused by Out of Svc Condition of Hpci.Repairs Completed & Unit Returned to Svc
Event date:
Report date:
2601980012R03 - NRC Website

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENt tIESCRIIITIONAND PROBABLE CONSEQUENCES OIO Unit 2 was in a cold shutdown condition for Hi h Pressure Coolant In e i

~O3 turbine bearing support pedestal repairs and was unab le to return to servi ce due to the out-of-service condition of the High Pressure Coolant In ection s stem l

was no significant resulting occurrence, no danger to the health or safet of the public, and no previous similar occurrence.

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High Pressure Coolant In)ection system was inoperable due to re airs underwa on the turbine bearing support pedestal see LER BFRO-50-260/8010.

Re airs have bee completed and unit returned to service.

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'Penn e s see VaHey Authority Browns Ferry Nuclear Plant Form BF-17 BF 15.2 1/10/79 LER SUPPLEMENTAL INFORMATION t

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a ta Technical Specification Involved Reported Under Technical Specification Date of Occurrence 2/23/g0 Time of Occurrence 5'nit Identification and Descri tion'of Occurrence:

Unit could not be returned to service due to'HPCI system being inoperable.

Conditions 'Prior to Occurrence:

Unit 1 scheduled refueling outage.

3 Unit 2 cold shutdown.

Unit 3 650 MWe increasing load.

f Action'pecified in the Technical Specification Surveillance Requirements met due to inoperable e ui ment.

Describe.

None Unit in cold shutdown.

A arent Cause of Occurrence:

HPCI inoperable due to continuing replacement. of HPCI turbine bearing support pedestal.

Anal sis of Occurrence:

No danger to health or safety of the public, no damage to plant or equipment, no release of activity.

Corrective Action

HPCI turbine pedestal replaced and unit returned to service.

Failure Data:

NA

":Retention:

  • Revision: 'riod - Lifetime; Responsibility - Administrative, Supervisor

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