ML19270E897

LER 78-054/01T-0 on 781213:during Routine Trip Recovery, Reactor Was Made Critical,But Shift Supervisor Recalled That No 11 Component Cooling Heat Exchanger Was Out of Svc & the Saltwater Subsys Partly Drained,So Reactor Was Shut Down

ML19270E897
Person / Time
Site:	Calvert Cliffs
Issue date:	12/27/1978
From:	Carroll J BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML19270E895	List: ML19270E894 ML19270E897
References
LER-78-054-01T, LER-78-54-1T, NUDOCS 7901030111
Download: ML19270E897 (2)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (71 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT CR TYPE ALL REQUIRED INFORMATION) 7 0 i 8 9 Ml Dl Cl Cl Nl 1l@l 0 l 0 l -l 0 l 0 l 0 l 0 l 0 l - l 0 l 0 l@l 4 l 1 l l j 1 l 1l@l LICENSEE CODE to 15 LICENSE NUMBER 2$ 26 LICENSE TYPE JO l

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REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h O 2 l During a routine trip recovery the reactor was made critical at 0552. At [

O 3 [ 0610 the Shift Supervisor recded that 11 component cooling heat exchanger l g l was out of service and 11 saltwater sub-system was partially drained, there- l 0 s I by invoking action statements of T.S.3.7.3.1 and T.S.3.7.5.1. The reactor l 0 s l was shutdown at 0615. Maximum power level achieved durino this event was Oi7 l10-4% This is not a repetitive occurrence. I O a l I 7 8 9 80 0E OE s 8C E COMPONENT CODE suBCODE su E O 9 l Zl Zl@ l Al@ l A l@ [Z l Z l Z l Z l Z l Z l@ l Zl(g l Zl @

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NAME OF PREPARER PHONE:

ATTACHMENT TO:

REPORT NO. 78-54/1T DOCKET NO. 50-317 EVENT DATE 12/13/78 REPORT DATE 12/27/78 CORRECTIVE ACTION TO PREVENT RECURRENCE:

Each of the three licensed personnel involved in this incident will be eersonally counseled by the Nuclear Plant Engineer - Operations regarding the importance of strict adherence to the Technical Specifi-cations. Additionally, a change has been made to the " Scram Recovery" procedure to provide an action statement checklist which must be resolved prior to entering Mode 1 operation.

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