05000361/LER-1982-005

LER 82-005/03L-0:on 820309,control Room Emergency Air Cleanup Sys Failed to Start Upon Receiving Spurious Toxic Gas Isolation Signal.Caused by Incorrect Positioning of Kirk Key.Caution Notes Incorporated Into Procedures

ML20054B300
Person / Time
Site:	San Onofre
Issue date:	04/08/1982
From:	Ray H SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20054B287	List: 05000361/LER-1982-005
References
LER-82-005-03L-01, LER-82-5-3L-1, NUDOCS 8204160468
Download: ML20054B300 (1)

LER-2082-005,

Event date:
Report date:
3612082005R00 - NRC Website

text

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LICENSEE EVENT REPORT

.['_..~ 4 CONTROL BI' OCK: l l

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(PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATION) jo l t l l C l A l S l 0 l S l 2 l@l 0 lo l _ l 0 ln ln In ln l- ln ln l@l 15 LICENSE NUVUEH 2S 4 l 1LICENSE 26 l1 l 1TYPE l 0JGl@l 61 4Af l

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F 8 9 LICENSEE CODE le c y'$,' l 1 j@l 015 l 0 l 0 l 0 l 3 l 6 l 1 l@l 013 l 0 l9 l 8 l 2 14l@liS0 l 4REPORT l 0 lDATE818 l 280l@

7 3 60 61 DOCK ET NOVSE R 68 63 EVENT OATE EVENT DESCRIPTION AND PHOBABLE CONSEQUENCES h lo 121 l The Control Room emergency air cleanup system f ailed to start upon l o a l receiving a spurious toxic gas isolation signal. This report is in (

0 . [ compliance with the requirements stipulated in Section 6.9.1.13.b of the l l

o 3 l Technical Specification. The breaker interlock kirk key was not l t

lO ll positioned in the operating mode resulting in a de-energized system, g g0l,jlThere was no detrimental effect on public health and safety.  ;

l 1018]!

7 8 9 SYSTEV CAUSE CAUSE COYP. VA LV E CODE CODE SUBCODE COMPONENT CODE SUSCODE SUSCODE i

IM I S l n lh LD_j@ I z l@ Iz l z i zl z iz I z l@ I z ig [zj g 18 19 20 7 8 9 to i1 12 13 SEQUENTIAL OCCURRENCE REPORT REVISION EVENT YE AR REPOR T NO. CODE TYPE N O.

O "LE NUlgl, E

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[2,--J l0 l 22 v u 22 24 a 2r 28 AKE A T ON O PL NT ET O HOURS 22 S B IT 0 FO H. 3 PPLIE MAN FACT RER lG[gl24Hl@ lzlg laozl@ se l 0 l0 l0 l0 l lY l@ lN l@ lzl@ lu z l 9 l9 l9 lg

(' 22 as CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 40 4i 42 43 4, g l The kirk key was not correctly positioned, therefore, the contacts  ;

lilij[on the breaker were not closed. Cautions notes will be incorporated i

g i , lin the appropriate procedures so that the operating personnel position i lthe breaker interlock kirk key correctly. l i a l

l 1T19 I 80 l 7 8 9 IS O RY DISCOVERY DESCRIPTION ST2NS  % power T tg 1 5 [X,j@ l 0 l 0 l 0 l@l f,"k ino l l A l@l Operator observation - ystem l~

' ' ' ' i2 n a 45 4s failed to start 80 ACTiviT Y CO4 TENT nFLE ASED OF RELE ASE LOCATION OF RELEASE @

@ [z_j @ (_zj@l AMOUNT N/A OF ACTIVITY 44 l

45 N/A @l 80 l

7 8 9 to 11 PERSONNEL EXPOSUHES NUMBER TYPE DESCRIPTION

[ TIT l 0 l 0 l 0 l@l z l@l" N/A l

,ERSOsNE L ,mu'JiES NuveER oESCRiPtiOsh li la 8l l9 0 l 010 l@l N/A l 7 11 12 80 LOS$ OF OR OAYAGE TO FACILITY t

TYPE D E SC rip TION hd d@l 7 8 9 to N/A 80 l

PUBlict T Y r NRC USE ONLY IS i $ [ SUED N_j @ ] DESCRIPTION  !)i/A. l lllllllllllllh

1. * ' "* 3 B204160468 820408 NAM PDR ADOCK 05000361 PHONE:

E S PDR

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