05000259/LER-1981-007-03, /03L-0:on 810210,during Fire Door Insp,Fire Door Damper (Door 472) Not Closed.Caused by Paint Buildup in Operating Mechanism.Damper Closed & Other Dampers Inspected. Procedure for Insp & Preventive Maint Will Be Written

/03L-0:on 810210,during Fire Door Insp,Fire Door Damper (Door 472) Not Closed.Caused by Paint Buildup in Operating Mechanism.Damper Closed & Other Dampers Inspected. Procedure for Insp & Preventive Maint Will Be Written

ML19352A178
Person / Time
Site:	Browns Ferry
Issue date:	03/06/1981
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19352A177	List: 05000259/LER-1981-007, Forwards LER 81-007/03L-0 05000259/LER-1981-007-03, /03L-0:on 810210,during Fire Door Insp,Fire Door Damper (Door 472) Not Closed.Caused by Paint Buildup in Operating Mechanism.Damper Closed & Other Dampers Inspected. Procedure for Insp & Preventive Maint Will Be Written
References
LER-81-007-03L-03, LER-81-7-3L-3, NUDOCS 8103110613
Download: ML19352A178 (2)

LER-1981-007, /03L-0:on 810210,during Fire Door Insp,Fire Door Damper (Door 472) Not Closed.Caused by Paint Buildup in Operating Mechanism.Damper Closed & Other Dampers Inspected. Procedure for Insp & Preventive Maint Will Be Written

Event date:
Report date:
2591981007R03 - NRC Website

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60 El DOCKET NUM8ER 68 69 EVENT DATE 74 IS REPORT DATE 80 EVENT OESCRIPTION AND PROBA81.E CONSEQUENCES h DTIT1 I During normal operation, while inspecting fire doors, fire door damper (Door 472) l

'g o l 3 ; l was not closed, because of paint in the operating mechanism. Reference T.S. 3.ll.F.

l p l A roving firewatch was patrolling area when this was detected. Damper would not l

Jo l5l ] have closed in Case of elevated ambient temperature inside room. No significant l

I o 161 l resulting events. No danger to health or safety of public. No previous events.

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CODE TYPE NO.

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[, l.. l l Sci.uusi lon of Iin-f un Ilif e iInk Islent I fIcd the problem.

Damper was placed in closed l

l position. Other dampers were inspected for paint build-up and operability and found ]

i i m l functional. A procedure will be written for inspetion and preventive maintenance l

l on all fire dampers.

Airolite 820E, 15 inch, fusible link type.

Fuse link on order. l i 3 l

li l4 I 1 80 7

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% POWE R oTHER STATUS DISCO Y

DISCOVERY 0ESCntPTION I 11 S I l E l@ l 0 l 9 l 9 [gl NA

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NAME OF PREPARER PHONE:

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Tennessee Valley Authority Form BF-17 Browns Ferry Nuclear Plant BF 15.2 p

1/10/79

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t-LER SUPPLEMENTAL INFORMATION I

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BFRO 259 /_ 81007 Technical Specification involved 3.11.F Repcrted Under Technical Specification 6.7.2.b(2)

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- Time of Occurrence 0940 Unit 1, 2, and 3 (common)

Date ?f Occurrence 2/10/81 h

t id"nt/ication and Descrigon of Occurrence:

I Fuse link broken off fire rated door 472 and the louver was not closed because of paint in operating mechanism.

Con 3 tions ' Prior to Occurrence:

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di Unit 1 @ 99%

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Unit 2 @ 99%

4 Onit 3 @ 72%

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q Acticn specified in the Technical Specification Surveillance Requirements met due to inoperab,1y a..i.r.tr.cn t.

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h Damper was closed.

t-Aparent Cause of Occurrence:

I Cause of event was paint build up in the operating mechanism.

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$i Analysis of Occurrence:

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There was no damage to plant equipment. There was no activity release, no 6

j personnel exposure or injury and no, danger to the health or safety of the public.

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Corrective Action-

.The damper was placed'in the closed position. Other dampers were inspected for

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paint build-up and operability and found functional. A procedure will be written y

for inspection and preventive maintenance on all fire dampers. Fuse link has been placed on order.

Failure Data:

NA i

• Retention :

eriod - Lifetime; Responsibility - Administrative Supervisor

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• Revision:

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