ML19208B743

LER 79-101/03L-0:on 790903,while Performing Calibr Procedure HND-2-52-02,Barton Models 288A & 289A Differential Pressure Indicating Switches Found to Exceed Tech Spec Limit by 0.5 Inches.Caused by Setpoint Drift

ML19208B743
Person / Time
Site:	Hatch
Issue date:	09/17/1979
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19208B740	List: ML19208B739 ML19208B743
References
LER-79-101-03L, LER-79-101-3L, NUDOCS 7909210303
Download: ML19208B743 (1)

Text

'

j -

L!CENSfiE EVENT REPORT CONTROL DLOCK: I C*

l l l l lh (PLEASE PHtNT 00 TYPC Att HECUtnCD Mont.tMION o 1 lC l Al Ej I l l!l 2 l@[ 010 l 0 l 0 l 0 l 0 l 0 l 0 l 0 l 0 l 0 l@l 4 l 1 l 1 l I l l j@l l l@

7,, A 9 LICLP. Sit COCL I4 lb LeC Lt.5L reuvotn 24 i t, LICLt.5L 1 s rt JO Si CAI bd y >r *

['o , ) [n"c[ lLLO l@l 0(. I l 5 l 0 Dotr.t l 0 Tl r.UY6 0 l E354l 6 I 6 }@l 0 l 4 EVENT 10 }DATC 1 l 7 19 74l@l 730l 9 Hi>CR1 l 1 I D7ATl E7 l (a l@

7 8 04 b!# t> 0 8

EVErn DESCHIPTION AND PROS ADtl COZECVCPjCES @

jo l2] l k'hile performing routine calibrat ion procedure HNP-2-5202, Barton Models 2SSA and l o 3 l 289A Dif ferential Pressure Indicating Switch, the high level s" itches of 2B21-N017B l ggl and 2B21-N017D vere found to exceed the Tech Spec limit by approxiuat ely 0.5 inches. I 10151 l These suitches isolate P.'CI at +58 inches of reactor water icvel. There van no {

ITTO I affect on the environs. A similar occurrence was reported for 2B21-5017C on }

I 7 6 9 60 S Y ST L *.9 CAUSC CAUSE .

C Ov P. VetVr CODE CCDC SUCCODE COYPONENTCODI SurCODE SUSCDDE lolcl 7 8 i S l F l@ [j]@ [{J @ ( I NJ S l T [ R [Ujh { S J@ [ Zj @

9 10 13 12 13 18 13_ 20 SE OUE PJTI AL CCC UR R E *JC; REFeftT H E V:S!O'J gn pg ,L HiPOG1 flO. CODE TYFE N O.

@ [(yg lVE 7 l9NT j YEl--l t.R [_1 l 0 l 1 l l/l . [0 l 3 29l l30L] [.-j [0 j mit 22 23 24 26 2- 24 31 32_

ACTION F L TU4! Eft!CT SHUT L D AN AT T/Cuvf NT r.FH D 4 PRIVI CCYP. CO'. 3 C N E N T T A K! rJ A CT 3 07. CNFLANT f.'iT u ca HOUns 4. S uiWI T T i- D F OTA :.Ut;. $Uf0 LIEF f.t AN L,'T A C 1 U R E R LFJ@LsJ@

JJ M Izl@

35 tz Le J@ l of of ol of43 31 LHJ@

41 I N_j@ [Jd@ ( B,j 0 18 0j@

42 43 44 47 cAusi. otsCatrTion i 20 coanECTIVE AC:lONS h Wgl Set point d rif t uns deternined to be the carne of the failure. The inntronCnts l

[TlT] l vere recalibra ted and returned to service. I a

ind I ,

I LLLU l I ElB I I 7 8 9 80 F ACitITY P.* E 1 H OD Or STAlus *. POnt R OTHERSTATUS D45COVLFtY - DISCOVEnV D(5CRiPTIC'J 2

[IlTj [CJ@ [ Oj O!6l@l NA j l B l@[ Nornal Surveillance l AClivt T Y CCr TCfJT f'llt M C O Cr HE LI ASE AMOUNT CF AC11V11Y tOCATiON OF HEL E ASE

' c Lz)@ LzJ@l v^ l I NA l 7 8 9 to is 44 45 g3 IE RSDr.Ngt t xp0sunt$ s s Nur.tM A otscniPTION -

l717]l0l0[Ojh[T)PtZ jhl NA

) 8 9 ei 12 , 13 Gi c FIH50Nr.f L INJun't S NUUfi t I' C i S C hip liO'd

I,.Ll2] s 9 lo.J o ! olSL,. ,,

n!- <qsul_

- _J, s

LU. 68 Off D. M 0! 1 J f AC a t.61 Y g y';gp "'"'"

i . ,

n, 7909210303  ;

u t CH6r fig . . e

['] ]-

t'.'.est_-

IN q_

j91 NA

.__ .. . _ _ _ _ _ j [t![t.jlt i t t J l '.

o. . , , ,

ema r or r o s e ..n o n . l'" T* Ni~v ru n :r 912-36/-7781

'