05000010/LER-1978-028-03, /03L-0:on 780815,weekly Reactor Protection Sys Functional Operability Test Postponed But Not Rescheduled. Caused by Personnel Error.Personnel re-instructed Re Importance of Scheduled Surveillances.(Encl to 7809260056)

/03L-0:on 780815,weekly Reactor Protection Sys Functional Operability Test Postponed But Not Rescheduled. Caused by Personnel Error.Personnel re-instructed Re Importance of Scheduled Surveillances.(Encl to 7809260056)

ML20147A928
Person / Time
Site:	Dresden
Issue date:	09/14/1978
From:	Phelan J COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
LER-78-028-03L, LER-78-28-3L, NUDOCS 7809260065
Download: ML20147A928 (1)

LER-1978-028, /03L-0:on 780815,weekly Reactor Protection Sys Functional Operability Test Postponed But Not Rescheduled. Caused by Personnel Error.Personnel re-instructed Re Importance of Scheduled Surveillances.(Encl to 7809260056)

Event date:
Report date:
0101978028R03 - NRC Website

text

U. d. ev0LLLan rituuLa # Un f Lu.veevo s.,s ues V

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l

lh (PLE ASE PRINT OR TYPE ALL REOUIRED INFORMATION) i 6

jo lil lI l:L lD lR lS l 1 l@l 0 l 0 l -l 0 l 0 l 0 ) 0 l 0 l - l 0 l 0 l@l 4 l 1 l 1 l 1 l 1 l@l l

l@

1 8 9 LICENSEE CODE 14 15 LICENSE NUMBEH 25 26 LICENSE TYPE JO 57 CATb6 COWT.

i iolil o7RCE l L }@l 0 l 5 l 0l 0 l 0l 0l 11 0 l@l 0 l 8 l llSI7l8}@l0 19 l1 l4 l7 l 8l@

6 60 61 DOCKET NUMBER 66 69 EVENT DATE 74 15 HEPORT DATE t$0 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h io l2l lDuring high system load conditions, dispatcher requested postponement of weekly reactot!

t D 13 l l protection system functional operability test DOS 500-6 to off peak time within i

i 10tallinterval. Need to reschedule test subsequently inadvertently overlooked.

Safety I

o!5l l significance minimal because both safety systems were operable. Similar events in 1

olal lR.O. #'s 50-010/1977-16, 50-010/1976-19.

' O lll !

l

{4 l l 80 3 g SYSTEM

CAUSE

CAUSE COMP.

VALVE CDDE CODE SUBCODE COMPONENT CODE SUBCOOC SUBCODE l I I A l@ l A l@ l Alh l Z l Zl Z i Z l 7. l Z lh l Z lh l 7 l h oi91 il 9

10 11 12 13 Id 19 20 SEQUEN TI AL OCCURHFNCE HEPORT REVISION ggg p3 EVENT YEAR REPORT NO.

CODE TYPE N O.

O gE l 71 8l l-l l }l 21 8l kJ l 0 l '3 l lL l l-!

l0l

_2 B 22 23 24 26 7

29 23 JJ 31 J2 ACTION EUTURE EFFECT CHUTCOWN ATT ACHME N T N P R D-4 PRIMF COMP.

COMPONENT TAKEN ACTION ONPLANT METHOD HOUHS SUBMITTED FORM byB.

SUPPLIER MANUF ACTURER l H l@l Z l@

l Z l@

l Zl@

l 0l 0l Of l

l Nl@

l N j(g l Z l@

l Z l 9 l 9 l 9 l@

33 34 35 J6 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l0ll Shift nersonnel failed to inform subsequent shifts about nostnonement.

Shift I

i

ililipersonnel have been reinstructed about significance of completine c

cheduled I

,,i;, [surveillances.

In addition, surveillances that could not be completed will be logged i

3g lto ensure they will be rescheduled.

I*

ii ld i l I

80 8 9 S

S

% POWE R OTHER STA TUS DI CO Y

DISCOVEHY DESCMIP TION NA l

l B lhl Surveillance Procram l

i 15 l l E lh l0 l 7 l0 lhl i

8 9 to 12 13 44 45 46 80 ACTIVITY CONTENT RELEASE AMOUNT OF ACTIVITY '

LOCATION OF RELEASE 161 L7J @D OF RELEASEIz l@L N^

l I

NA l

!1 8 9 10 11 a4 45 80 PEHSONNEL f XPOSunES NUMBER

DESCRIPTION

l / l 'l 0 l 0 l 0 lhlTYPEZlhl NA l

t 1

8 9 11 17 13 80 PtRSONNE L INJURIES NUMBE R

DESCRIPTION

NA l

ii 181 10101 O l@l

8. 9 6

11 12 WO

",LO'iSOF OR DAM AGE TO FACILITY

' TYPE DESCHIPTION NA l

Ii hrl LzJ@l 1

3-9 10 60 C","f' PUBLICITY A

NRC USE ONLY LLL.J.LN.J81 7

gf~7/^00 C

l l l l l l l l l I l b) $I

- ~ lssuED DESCRIPTION h b

NA l

n _ =Q..,,~gwg

, _,.;.S gir,., "

jMg%

. 2j(

p_ _.. h~ n. e..,{ _P;.ic:

A.j

- J.

._,RON m n

- n.n-., -

.. ~