05000348/LER-1980-059-03, /03L-0:on 801004,B Train Exhaust Fan Failed to Start.Caused by Shorted Switchgear Auxiliary Relay Resulting in Blown Fuses.Relay & Fuses Replaced

/03L-0:on 801004,B Train Exhaust Fan Failed to Start.Caused by Shorted Switchgear Auxiliary Relay Resulting in Blown Fuses.Relay & Fuses Replaced

ML19339B646
Person / Time
Site:	Farley
Issue date:	11/04/1980
From:	ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19339B644	List: 05000348/LER-1980-058-03, /03L-0:on 801007,discrepancies Between Tendon Installation QC Records & as-found Conditions Detected. Visual Insp Planned to Verify QC Records on All Tendons Which Will Be Tested in 1981 05000348/LER-1980-059-03, /03L-0:on 801004,B Train Exhaust Fan Failed to Start.Caused by Shorted Switchgear Auxiliary Relay Resulting in Blown Fuses.Relay & Fuses Replaced ML19339B643
References
LER-80-059-03L, LER-80-59-3L, NUDOCS 8011070375
Download: ML19339B646 (1)

LER-1980-059, /03L-0:on 801004,B Train Exhaust Fan Failed to Start.Caused by Shorted Switchgear Auxiliary Relay Resulting in Blown Fuses.Relay & Fuses Replaced

Event date:
Report date:
3481980059R03 - NRC Website

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60 61 OOCKET NUMB ER 68 63 EVENT O ATg 74 7_3 REPORT OATE SO EVENT DESCRIP110N AND PROS AB<E CONSEQUENCES h o 2 l At 1720 on 10-4-80. while o e r f o rmin e FNP-1-STP-20_O (Panerrarinn unnm Fvhance l lo l31 l and Air Filtration System Train A (B) OperabL*1ty Test), the "B" Train exhaust fan 1

l o 141 l failed to start. Technical Specification 3.7.8.1 ramtires two indeoendaar nanarrarind

['o TTl I room filtration systems to be operable. Tech. Spec. 3.7.8.1 action statement re-I i

i 0 6 l Quirements were met.

The health and safety of the oublic were not affecrad.

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36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h y l A shorted switchgear auxiliary relay caused fuses to blow in the "B" Train eenetration!

gl room filtration exhaust fan motor control circuit. The shorted relav and blom fusa I gl were replaced. After successful completion of surveillance test FNP-1-STP-20.0, the I gl "B" Train penetration room filtration exhuast fan was returned to an operable status I g[ at 1910 on 10/5/80.

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NAME OF PREPARER PHONE:

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