05000272/LER-1978-029-01, /01X-1 on 780610:during Training Startups,Two Power Range Channels Found Inoperable.Caused by Personnel Error in Which Wrong Leads Were Disconnected from Reactivity Computer.Procedures Revised

/01X-1 on 780610:during Training Startups,Two Power Range Channels Found Inoperable.Caused by Personnel Error in Which Wrong Leads Were Disconnected from Reactivity Computer.Procedures Revised

ML18078B136
Person / Time
Site:	Salem
Issue date:	03/29/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18078B135	List: 05000272/LER-1978-029, Forwards LER 78-029/01X-1 05000272/LER-1978-029-01, /01X-1 on 780610:during Training Startups,Two Power Range Channels Found Inoperable.Caused by Personnel Error in Which Wrong Leads Were Disconnected from Reactivity Computer.Procedures Revised
References
LER-78-029-01X, LER-78-29-1X, NUDOCS 7904030248
Download: ML18078B136 (1)

LER-1978-029, /01X-1 on 780610:during Training Startups,Two Power Range Channels Found Inoperable.Caused by Personnel Error in Which Wrong Leads Were Disconnected from Reactivity Computer.Procedures Revised

Event date:
Report date:
2721978029R01 - NRC Website

text

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~~~~ lJJ© I o I s I o I o I o I 2 I 1 I 2 IGI o I 6 I i Io I 1 I a I© I o I 3 I 2 I 9 I 1 I 9 I© 60 61 DOCKET NUMBER 68 69 EVENT CATE 74 75 REPORT CATE 80 EVENT DESCRIPTION ANO PROBA~LE CONSEQUENCES @

I During training startups, two inoperable power range channels were identified.

[£I!J I Wrong leads had been disconnected for the reactivity computer.

Unit immediately

[))3J I placed in mode 3.

Power range channel N41 returned to operable status.

Channels N43 C2:IIJ I and N44 were operable troughout this event.

Seven startups were conducted in violatio~

C£:[§J I of T.S. 3.3.1.1.

This is the first occurrence of this type.

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8 SYSTEM CODE II I Al@

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CAUSE

CAUSE COMP.

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OCCURRENCE REi'ORT REPORT NO.

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20 l:::l 31 PRIME COMP.

80 REVISION NC.

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

4::1 44 47 o::I§J !The cause of this event was personnel error in that the Instrument Supervisor failed D:IIJ I to identify.the proper leads for removal.

Instrument personnel reviewed this o:::ril I incident with particular emphasis on proper equipment identification.

I&C procedures

(())] I associated with power range channel connection to the reactivity computer were revised!

[JJ3J I to improve and clarify the procedure.

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9 FACILITY ljQ\\

STATUS

% POWER OTHER STATUS \\:::,J ITTIJ lru@ I o Io I o l@l._ _ __.N_../.-A....__~

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REI.EASED OF RELEASE AMOUNT OF ACTIVITY G:IIl LI..l W I N /A 7

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10 11 ao 44 METHOD OF A

CISCOVERV DISCOVERY DESCRIPTION 1.5'

@.J~I Inspection by Technician 45 46 l.OCATION OF REI.EASE @

N/A 80 44 45 80 PERSONNEL EXPOSURES Q..

NUMBER

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DESCRIPTION

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11 121

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NUMBER DESCRIPTION~

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DESCRIPTION

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