05000318/LER-1980-048-03, /03L-0:on 801019,during Withdrawal of Control Element Assemblies to Control Axial Shape Index,Assemblies Dropped Into Core.Cause Unknown.Review of Control Element Assembly Drop Occurrences Is Underway

/03L-0:on 801019,during Withdrawal of Control Element Assemblies to Control Axial Shape Index,Assemblies Dropped Into Core.Cause Unknown.Review of Control Element Assembly Drop Occurrences Is Underway

ML19345A884
Person / Time
Site:	Calvert Cliffs
Issue date:	11/19/1980
From:	Lagiewski J, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19345A880	List: 05000318/LER-1980-048, Forwards LER 80-048/03L-0 05000318/LER-1980-048-03, /03L-0:on 801019,during Withdrawal of Control Element Assemblies to Control Axial Shape Index,Assemblies Dropped Into Core.Cause Unknown.Review of Control Element Assembly Drop Occurrences Is Underway
References
LER-80-048-03L, LER-80-48-3L, NUDOCS 8011250363
Download: ML19345A884 (1)

LER-1980-048, /03L-0:on 801019,during Withdrawal of Control Element Assemblies to Control Axial Shape Index,Assemblies Dropped Into Core.Cause Unknown.Review of Control Element Assembly Drop Occurrences Is Underway

Event date:
Report date:
3181980048R03 - NRC Website

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CoNSECUENCES h Io i2I l While withdrawine control element auambline (crA'd to control axial I

to tal I shaoe index, CEA 55 dropoed into the core. Similarly at 1948 CEA 61 l

i l 1o i4 I I also drouced into the core (T.S. 3.1.3.1).

At 1615. CEA 55 was re-I 4

lo is t i stored to alionment with its arouo and at 2014 CEA 61 was restored to I

l i Io is i 1 alienment. All otNr CEA's remained ooerable durino these events, f

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1o i7I I LER'r 80-12 (U-1) and 80-41 (U-2) describe similar occurrences.

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ISSUE 68 69 30 3 i

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