05000321/LER-1979-019-03, /03L-0 on 790313:five Input Summer G31-K604 Out of Tolerance for Over 2 Hours.Caused by Leaky Transistor. Transistor Replaced & Instrument Calibrated Satisfactorily

/03L-0 on 790313:five Input Summer G31-K604 Out of Tolerance for Over 2 Hours.Caused by Leaky Transistor. Transistor Replaced & Instrument Calibrated Satisfactorily

ML19282C501
Person / Time
Site:	Hatch
Issue date:	03/26/1979
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19282C495	List: 05000321/LER-1979-019, Forwards LER 79-019/03L-0 05000321/LER-1979-019-03, /03L-0 on 790313:five Input Summer G31-K604 Out of Tolerance for Over 2 Hours.Caused by Leaky Transistor. Transistor Replaced & Instrument Calibrated Satisfactorily
References
LER-79-019-03L-01, LER-79-19-3L-1, NUDOCS 7903300247
Download: ML19282C501 (1)

LER-1979-019, /03L-0 on 790313:five Input Summer G31-K604 Out of Tolerance for Over 2 Hours.Caused by Leaky Transistor. Transistor Replaced & Instrument Calibrated Satisfactorily

Event date:
Report date:
3211979019R03 - NRC Website

text

/

1 CONTROL BLCCK: l l

l l

l l

lh (PLEASE PRINT On TYPE ALL RECUIRED INFORMATION) 8 i

e li lcl'A!EfIlH l!@!0l0lOl0l0l0!0l0l0l0lOl@l4l1l1l1l1l@l l

l@

8 3_

LICENSEL CODE le 15 LICENSE NWtsER 25 26 LICENJE T vPE JJ b 7 CA1 td l

' *J' T

.$g7E l Ll@l 01516101013 l 2 l 1 @l O I 3 l l l 3 l 7 l 9 @l o l 3121617 l o l@

1 8

t,0 61 DOCKET NLYBEH t.d 61 EVENT DATE 74 75 HEPCHT DATE 40 EVENT DESCR:' TION AND PROBABLE CONSEQUENCES h 42

(_ While nerformi~ HNP-1-3501-M. Rv. Watar cle,,-un

^ rinu nn R -e W,*ar c l a, n-u n 1

I t

13 I Leak Detec tion Syst em. The 5 inr r en-ar c11-K604 vas found t o be cu t of tolerance l i

the opner end by.5 nilliamps _.This was not a Technical Snecific ation violation.

l l

l1 I en 1

5 l so the functional test was completed with satisf actory r e su l t s. but the two hour l

16 l

• ime limit m ovceed ed uben rho ineren ant v,e e, ken out of s e rvi c e to be I

I7 l c a libr a t ed. RWCU was iso' at ed ner Technical Soecification 4.6.'.2. Table 3.2_-1 I

I F

4 la l Reference 48.

I 80 4

g 9 SYSTEM

CAUSE

CAUSE CovP.

VALVE CODE CODE SUBCCOE COMPONENT CODE SU8 CODE SUSCODE 1

I ci cl@ Lsj@ l c I@ It IN is !T la lu I@ I xi@ l zi@

9 8

9 10 11 12 13 18 19 20 SECUENTIAL OCCURRENCE REPORT REVISION

,_ EVENT YEAR REPORT NO.

CODE TYPS NO.

@ su'E R <RO 17191 l-l 10 11l 91 l'l l ol 31 BJ I-I I

L a AS _2 22 23 24 26 27 2d 23 30 31 32 ACTION FUTURE EFFECT SHUTOCWN ATT AC H V E N T N P R O-4 PRIME COMP.

COMPCNENT TAKEN ACTION ON PLANT METHCO HOURS 4.

SUBVITTED FCRM>US.

SUPPLIE R MANUFACTURER l A lhl A lh l5Z lh l36z lh l7 Ol 0l 0l 0l_,lNl@

l Nl@

lN l@

l G l 018 l 0 l@

33 34 3

3 40 41 42 43 44 47 CAUSE DESCRIPTION AND CCARECTIVE ACTIONS h 10 l When c31-K604 was taken cut of s?rvice to be calibrated. it was found to have I

i I a leakv trnnsistor causiTm the upper end (50 mai to be out of tolerance. The 1

El transistor was replaced and the instrument was calibrated satisf actorilv.

I a l l

4 l

l 8 9 80 ST S

% POWE R OTHER STATUS 05 O RY OISCOVERY OESCRIPTION l E h l 0 l 9 f 3 l@l N/A l

lBl@l Monthly Func. Test and Calib.

l 5

ACTIVITY CO TENT RELEASED CP RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE [JJ @ [2j@l N/A l

l N/A l

6 8 9 10 11 44 45 80 PERSCNNEL EXPOSURES NUY8ER TYPE

DESCRIPTION

1 0l 0l Oj@l lh!

N/A l

7

,ERSONNEL,NJ2its DESCRIPTION @

NUV8ER lol01O!@l N/A l

8 9 11 12 80 LOSS OF CH DAMAGE TO FACILITY Q TYPC O E SCPIP110N

%./

I" l Z l@l N/A l

5 9 10 80 P

ICar NRC USC CNLY g

,7 Ia lNlbl N/A I

IIIIIIIIIIIiI; s a su 68 69 so &

R. T. Nix A

NAM PARED PHONE.

3 790aaobO1V7 se u-e"~et e<"mu- -e