05000260/LER-1981-015-03, /03L-0:on 810325,HPCI Turbine Was Removed from Svc to Repair Defective Switch 2-LS-73-5.Caused by Steam Leak Which Prevented Repair While Turbine Was Operational.Switch Repaired

/03L-0:on 810325,HPCI Turbine Was Removed from Svc to Repair Defective Switch 2-LS-73-5.Caused by Steam Leak Which Prevented Repair While Turbine Was Operational.Switch Repaired

ML20003F163
Person / Time
Site:	Browns Ferry
Issue date:	04/13/1981
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20003F158	List: 05000260/LER-1981-015, Forwards LER 81-015/03L-0 05000260/LER-1981-015-03, /03L-0:on 810325,HPCI Turbine Was Removed from Svc to Repair Defective Switch 2-LS-73-5.Caused by Steam Leak Which Prevented Repair While Turbine Was Operational.Switch Repaired
References
LER-81-015-03L-01, LER-81-15-3L-1, NUDOCS 8104200313
Download: ML20003F163 (2)

LER-1981-015, /03L-0:on 810325,HPCI Turbine Was Removed from Svc to Repair Defective Switch 2-LS-73-5.Caused by Steam Leak Which Prevented Repair While Turbine Was Operational.Switch Repaired

Event date:
Report date:
2601981015R03 - NRC Website

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NRC FOHM 366 (7-77)

LICENSEE EVENT REPORT

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l o l 21 l During normal operation, the HPCI turbine was rernoved from service to repair [5 77) [ defective switch 2-LS-73-5.

(A steam leak prevented repairing the switch while l

1 O 14 I I the HPCI turbine was operational.) There was no significant chain of events. There i was no effect on the health or safety of the public. Redundant systems were l

lo p 3; l O s l available and operable. See Technical Specification 3.5.E.2.

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, g O g l The HPCI turbine was removed from service to repair defective switch 2-LS-73-5.

l The switch was repaired. No further corrective action is planned.

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'i. nnes:me Valley Authority BF 15.2 br,wns Ferry Nucle tr Plant 1/10/79 I ER SUPPLEMENTAL INFORMATION ltFRO 260 / 81015 Technical Specification Involved 3.5.E.2

'oported Under Technical Specification 6.7.2 1 (2)

D.ite of Occurrence 3/25/81 Time of Occurrence 2110 Unit 2

Ide:ntificati,n and Description of Occurrence:

The llPCI turbine was removed from service to repair defective switch 2-LS-73-5.

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Conditions' Prior to Occurrence:

Unit 1 at 97%

Unit 2 at 100%

Unit 3 at 50%

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.\\ctica specified in the Technical Specificatien Surveillance Requirements met Describe.

lue o inoperabie equipment.

Verified that redundant systems RCIC, Core Spray, RHR,.LPCI and Containment' Cooling were operable.

App _. rent Cause of 0.:currence:

Defective switch 2-LS-73-5.

Ana.py of Occurrence-There was no damage to the plaat or equipment. There was no activity release, no personnel exposure or injury ano no danger to the health or safety of the public.

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Cwlt.ctive Action:

It51acedswitch2-LS-73-5.

Failur e Data:

NEne Period - Lifetime; Responsibility - Administrative Supervisor

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