05000318/LER-1979-029-03, /03L-0:on 790803,during Turbine Roll,Containment Particulate & Gaseous Monitor Was Rendered Inoperable.Caused by Blown Neutral Phase Fuse in Fuse Holder.Holder Was Jumpered & Control Power Restored.Replacement Is on Order

/03L-0:on 790803,during Turbine Roll,Containment Particulate & Gaseous Monitor Was Rendered Inoperable.Caused by Blown Neutral Phase Fuse in Fuse Holder.Holder Was Jumpered & Control Power Restored.Replacement Is on Order

ML19207B978
Person / Time
Site:	Calvert Cliffs
Issue date:	08/31/1979
From:	Heibel R, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19207B976	List: 05000318/LER-1979-029, Forwards LER 79-029/03L-0 05000318/LER-1979-029-03, /03L-0:on 790803,during Turbine Roll,Containment Particulate & Gaseous Monitor Was Rendered Inoperable.Caused by Blown Neutral Phase Fuse in Fuse Holder.Holder Was Jumpered & Control Power Restored.Replacement Is on Order
References
LER-79-029-03L, LER-79-29-3L, NUDOCS 7909060266
Download: ML19207B978 (2)

LER-1979-029, /03L-0:on 790803,during Turbine Roll,Containment Particulate & Gaseous Monitor Was Rendered Inoperable.Caused by Blown Neutral Phase Fuse in Fuse Holder.Holder Was Jumpered & Control Power Restored.Replacement Is on Order

Event date:
Report date:
3181979029R03 - NRC Website

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! Durina a turbine roll with the reactor at 3*. P'.B containment carticulate and o.

l caseous monitor was rendered inocerable by a blown fuse. The plant start-uo l

o,3 Ti'-] I was stopped and ocwer was reduced to hot standbv at 0750 (Mode 3). The carticulate 1

i a.vi casecus monitor system was returned to service at 0853 on 8/3/79. The contain-l ois I rrent sumo level alant remained in service throuchaut this event (T.S.3.4.6.1.).

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REPORT DATE 08-31-79 ST_.T.A_CHME NT CAUSE DESCR!? TION A?!D CORRECTIVE ACTIONS:

Uoon discovery of the damaced Mrse holder, the holder was jumpered and Contml Power was restored. A replacement holder is on order and will be installed wnen received. Maintenance Recuest 0-79-2353 is beine held oren for completion of repair.

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