ML20052H654

LER 82-015/03L-0:on 820408,radiation Monitor 25A (Spent Fuel Storage Pool Area Gaseous activity-ventilation Sys Isolation) Declared Inoperable While Performing Test.Caused by Dirty Contacts on Mod Selector Switch.Contacts Cleaned

ML20052H654
Person / Time
Site:	Farley
Issue date:	04/30/1982
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20052H649	List: ML20052H648 ML20052H654 ML20052H659
References
LER-82-015-03L-01, LER-82-15-3L-1, NUDOCS 8205210309
Download: ML20052H654 (1)

Text

r uman: :un i ncrun 8 CONTRCL SLCCX, l l 1 I l l i lh (PLEASE PRINT CR TYPE ALL REGUlRED INFCRMATICN) o 1 4i 3i IA lL U lM lF l1 l@l 0 l 0 l- 10UCENSE UCE:.sEE CODE 84 S 10l ret.MBEf4 01010 l -l 0l 0 l@l4 !ucENsEa3 is 1l Il TYPE

!! 11@l Ju l

57 car 45 l@

ft

[Q', 2lE ! L @l Of sl 010.101314 6C 33 CCCX ET NUM8ER l 8sd @l 69 0 l EVENT 410181812 CATE 14

@l0141310 e5 AEFCRTQATE la b l@ JJ EVENT CESCRIPTICN AND PROSA8LE CONSEOUENC25 h

>t2i [At 0105 on 4/8/82, while performing FNP-1-STP-43.0 (Spent Fuel Pool Ventilation Radiation  !

o63i [ Monitors Functional Test), radiation monitor 25A (Fuel Storage Pool Area Gaseous Activity - l oe4j l Ventilation System Isolation) was declared inoperable due to mode selector switch contact l

,3 , 5 ; [ problems. Tech. Spec. 3.3.3.1 and Table 3.3.-6 requires a minimum of two radiation monitor; o is l Ichannels to be operable for the fuel storage area. Tech. Spec. 3.3.3.1. action statement t a i 7 l l requirements were met. Health / safety of the public was not affected. .

) 03I l l 3 g 50 3YSTEM CAUSE CAUSE COW C00E VALVE CCOE SUSCODE CCMPoNENT COOE SUSCOOE SUSCODE a i rl i

l a l a l@ lE l@ lX l@ lC IK IT lB l R l K l@ l E l@ l Z J 10 Il 12 T3 :3 19 20 l@ t SECU ENTI A L CCOURRENCE REFORT REVISICN gg A E?C AT NO. COOE TYPE NC,

@ .;(g;qo l8121 hvENTEA 1-1 A 1011151 lA l 01 31 ltl l! 4 ot

~21 20 20 24 26 27 IS 23 30 31 3 ACTIC*4 FUTJAE !FFECT THijTOCwN ATT ACH*.1 E N T NP A C-1 FRi?.tE COMP. COM P* *MNT g TAKEN AC Tf CN ON PL.A7.T *fETwCO WOUF3 ;- :U3MIT7C PC.%t wB. Suppu ER MANUFAC M EA

(

\ **

l lX @l,, -

21@ l.3 Z l@ .aZl@

l l 0 l 010 l'5 I 40 I NI@

44 IN l@

42 lA 43 l@ I V 11 ! 1 1 s i.

44 4:

CAUSE CESC3lPTICN AND CCRREC 1VE ACTIONS y27) i oi Ithis event was attributed to dirty contacts on the mode selector switch. The contacts e 2 ii i Iwcre cleaned and R25A was returned to service at 0230 on 4/8/82, t i

!?!I i ii4 _1 l I a 3 F ACIUW , so

30) *AETHCO CF STATUS . PCWE A OTHEA STATUS OlsCOVErtY ,,d OISCOVERY CESCRfPTION J e s ! I El@ l 0l 9l 9]@l NA l lB[glSurveillanceTest .

AbVITY CO TENT

~2ELEASED GP RELEASE AMOUNT CF ACTIVITY LOCATtON CF RELEA32 1

i s ! l Zi(g ! Z !@l NA l l NA I J ) to 11 44 45 40 ,

8EA5CNNEt. DPCSUA E3 1 NUuSEA 'Y*E CE3CAIPTICN .3 l ii7!* l*010 10@lzl@l

NA I

.. ,En senn E!.' m,u'a'iE s $a NUu.E. CEsem,TiaN@

i s 'Ji 1 01 01 O l@l NA  !

11 12 LCis OF CR CAMAGE TO FACILITY 30 OESCAPTtON

+;hlTYPEZI@l NA s a to l

3a

@ B205210309 820430 NRC USE CNLY

I o i ljhl oESCmPTiCN

,ssuEo sa :o hDRADOCK 05000340 PDR l 'll l l l l l l l g [ ;!

NAME OF PREPARER [W. G. Hairston, III _

PHONE: (205) 899-5156  ;

I