ML19339B199

LER 80-028/03L-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

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: ML19339B197 ML19339B199
References
LER-80-028-03L-01, LER-80-28-3L-1, NUDOCS 8011060488
Download: ML19339B199 (1)

Text

O LICENSEE EVENT REPORT (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIOP4 CONTROL BLOCK: l 1

l l l l l lh 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 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 l@26 4 l1 l1 l1 l 1 l@l67 GAT LICENSE TYPE JO l

68 l@ .

GON'T l'oIT 8 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 74l 0 l@l1 H 69 EVENT DATE 75 l 0 l 311 l8l0l@

REPORT DATE 80 7 60 61 DOCKET NUMBER 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 7 8 l S l B l@ Wh dh l Cl Kl Tl Bl Rl Klh l Elh W h 9 10 11 12 13 18 19 20 SEoVENTIAL a OCCURRENCE REPORT REvlSioN LER EVENT YE A R REPORT No. CODE TYPE No.

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<N A N o PL NT M HoVRS S8 FoR 8. SU L MAN FAC RER l33Xlgl34Hl@ yg 3h l36 Zl@

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42 4 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h ~

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

, , , , , l covers over the switches. l 7 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 '

11 Is* l* l Z l @' W@l NA l l NA 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 11lall0l0l0l@l 8 9 11 12 NA 80 l

LoS$ oF oR DAMAGE To FACILITY -

T YP E oESCRl* Tion l NA l l L'_L9J Lz J@lto 80 8011060 W 7 8 9 v  :

'u'"c'lSC,,,,,,, h NRc use ONLY ,

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7 8 9 10 68 69 80 3 ]

. . tad PHONE:

612-388-4767 NAME OF PREPARER