05000306/LER-1980-028-03, /03L-0:on 801003,previously Acknowledged Annunciator Indicating Fan Coil Unit 24 Was Noticed in Local Control.Caused by Personnel Error.Switch Returned to Remote & Personnel Cautioned to Exercise Care

/03L-0:on 801003,previously Acknowledged Annunciator Indicating Fan Coil Unit 24 Was Noticed in Local Control.Caused by Personnel Error.Switch Returned to Remote & Personnel Cautioned to Exercise Care

ML19339B199
Person / Time
Site:	Prairie Island
Issue date:	10/31/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19339B198	List: 05000306/LER-1980-028, Forwards LER 80-028/03L-0 05000306/LER-1980-028-03, /03L-0:on 801003,previously Acknowledged Annunciator Indicating Fan Coil Unit 24 Was Noticed in Local Control.Caused by Personnel Error.Switch Returned to Remote & Personnel Cautioned to Exercise Care
References
LER-80-028-03L-01, LER-80-28-3L-1, NUDOCS 8011060488
Download: ML19339B199 (1)

LER-1980-028, /03L-0:on 801003,previously Acknowledged Annunciator Indicating Fan Coil Unit 24 Was Noticed in Local Control.Caused by Personnel Error.Switch Returned to Remote & Personnel Cautioned to Exercise Care

Event date:
Report date:
3061980028R03 - NRC Website

text

O LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l

lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIOP4 1

6 J a y l M ! N l P l 1 l N l 2 l@l 0 l 0 l-l 0 l 0 l 0 l 0 l 0l -l0 l 0 l@ 4 l1 l1 l1 l 1 l@l l

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8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 67 GAT 68 GON'T l'oIT 3y"c l L l@l 0 l 5 l 0 l 0 l0 l 3 l 0 l 6 l@l 1 l 0 l 0 l 3 l 8 l 0 l@l1 l 0 l 311 l8l0l@

7 8

60 61 DOCKET NUMBER H

69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10 l: 1l During normal operation, a control room operator noticed a previously l

[o l3l l acknowledged annunciator indicating No. 24 Fan-Coil Unit was in LOCAL l

I o 141 l control. Review of the computer alarm typer shows the FCU was unavailable l

g o is [

for safeguards actuation for 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> and 26 minutes. No effect on public l

lo is l l heelth and safety since redundant equipment was operable. Tech Spec l

lo l7l l 3.3.B.l.b applier I

I 1018! I 80 7

8 9 E

C DE SU8C E COMPONENT CODE SU8 Code SU E

lo19l l S l B l@ Wh dh l Cl Kl Tl Bl Rl Klh l Elh W h 7

8 9

10 11 12 13 18 19 20 OCCURRENCE REPORT REvlSioN SEoVENTIAL a

LER EVENT YE A R REPORT No.

CODE TYPE No.

O,ag/Ro l 810l

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_ 21 22 23 24 26 27 28 M

30 31 32

<N A

N o PL NT M

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l Nlg l3Al@ lZl9l9l9l@

33 3h 37 40 41 42 4

44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h

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li lo l l Personnel error. Upon discovery the local control switch was returned to l

li j 3 l l the REMOTE position. The switch had apparently been bumped by workmen l

,,,,,l in the area; they were cautioned to exercise care. Control room operators l

,,,3, l

will review the report. Consideration is being given to adding protective l

covers over the switches.

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8 9 80 ST

% POWER oTHER STATUS ISco DISCOVERY DESCRIPTION y W @ l1 l0 l0 l @l NA l

lAl@lOperatorobservation l

ACTIVITY CO TENT l

RELEASED oF RELEASE AMoVNT op ACTIVITY LOCATION oF 3 ELE ASE l

NA l

l NA 11 Is l l Z l @ W@l PERSONNEt ExeoSURES NUMBER TYPE

DESCRIPTION

11 I 71 l 0 l 0 l 0 l@l Z l@l NA l

PER$oNNs'L IN>UNIES NUMBER DESCRIPTloN NA l

11lall0l0l0l@l 8 9 11 12 80 LoS$ oF oR DAMAGE To FACILITY -

T YP E oESCRl* Tion NA l

L'_L9J Lz J@l 80 7

8 9 to

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NRc use ONLY

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tad 612-388-4767 NAME OF PREPARER PHONE: