05000335/LER-1981-029-03, /03L-0:on 810528,while Performing Engineered Safety Feature Channel Functional Test,Steam Generator Pressure Channel Mc Setpoint Was Less than Tech Specs. Cause of Drift Undetermined.Setpoint Adjusted

From kanterella
Revision as of 08:08, 21 December 2024 by StriderTol (talk | contribs) (StriderTol Bot insert)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
/03L-0:on 810528,while Performing Engineered Safety Feature Channel Functional Test,Steam Generator Pressure Channel Mc Setpoint Was Less than Tech Specs. Cause of Drift Undetermined.Setpoint Adjusted
ML20009G175
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 06/29/1981
From: Pace P
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009G162 List:
References
LER-81-029-03L, LER-81-29-3L, NUDOCS 8108030396
Download: ML20009G175 (1)


LER-1981-029, /03L-0:on 810528,while Performing Engineered Safety Feature Channel Functional Test,Steam Generator Pressure Channel Mc Setpoint Was Less than Tech Specs. Cause of Drift Undetermined.Setpoint Adjusted
Event date:
Report date:
3351981029R03 - NRC Website

text

i f4RC FORM 366 U.S. NUCLEAR REGULATORY COMMiS0 ion y.7 tl LICENSEE EVENT REPORT CoNinot. stocee l.l I I l l (PLEA *.c en NT ort Tyr Alt sitousaco lnFC AMATiONI [W} l F I Ll S l L IS l 1 l@*l0 10 l -l0 101010 I O I -1010 l@[4 l 1 l 1 J 1 1 1 j@l I

l@

8 A >

LKE*.541 COD (

s.

S uCivid ts.Wst A 25

6 g.Cg%4E Tvrt J) 63 CAI id CCN'T 1 i 91 a I i l@

M',"J L.Lj@l015 I olo 1013 ! 3 I 5 GI O i sI2 !a la li GI 01 6 2 IoIi1 6

68 OCC%if NuYg!R M

43 (Vg.NT 3aig D.

73 Aap3,sT3474 JO 8

I tvtNr otscaseTies Ano estosrate cossscutscas @

l During 100% power operation while performing ESP Channel Functional Test 1

o 3

, Steam Generator Pressure Channel MC setpoint was f ound to be less than g

g 3 5. j lspecified by Tech Spec 3.3.2 Tabic 3.3-4. The setpoint was immediate1Y ad-I 191 $ 1 l justed to the correct value.

There have been two previous occurrences of j

Io [5 ] I SC pressure setpoint drif t.

(Ref 1.ER 76-17 and 77-25).

There "ere no 1

prIT) I consequences to the health and welf are of the public.

i 11Li.J l

,1, Sv1TE*i CautE CJtasi C3cm vatst COai COOf 545CCOE CD *.*79.N(NT CODE SveC30s susc;;f l o li) 1 II nl@ l xJ@ L4J@ Iz I zI 'ziz I zI zig L,zJ@ L11@

in n

u o

s n

313'JIN T4 A L OCCL.88 8l %CT R $ 808t f SEYIII)M

@,a(;$oggf! vin 1VEaA L- -I IO ; 2[9 j y

l 01 3j

[ LJ

[]

miPORT NO.

CoC.i 14P1 NO.

, g ((18 811 J 22 23 24 26 27 01 Jh 07

s -

J.

TA rO

,; CN # ANT T

MOVA$

55 s O

so e e,

g j sg g was sa T a(A LE_J@L.xJ@. L2J@

l] @

1010 I o !o I L..t!J @

L.,NJ@

l.,zJ@ l ZI Zlz 1 Zl@ i u

2 u

2 cAust otscnianc i Aso conaccavs AcTioss @

li lo l IThe cause for SC Channel MC pressure setpoint drift could not be

_]

j,;,yi etermined.

The setpoint was adjusted to the correct value and I

d I6C is continuing to monitor periodically to detect any future i

g

.jsetpoint drift.

I I

i i.

JC a 9 h

5 5

  • . P'JWE R OTwiMSTATUS O SCO Y

DesCOv sn* 0E scairT'ON LEJ@ I 110 I o !@l NA I

Laj@loBSERVED UHH.E FUNCTIONAL TESTING j i s

'.A..T.me.sw c,oTn t

".,ounT o,.CTiv,Tv @ i toCT,c~o,= ruin @

C ar u.s.

2 I

n l,i i s i I,zJ @ L,,zJ@l e

e u

n

.nso,.~o. n,:smots suust a Tvrg ogscaternON.-

I 1O I O10 l@Lzj@j NA i,

' ',ws:~ s.~J'n anCa..riC @

svuon 10 l 010 l@!

NA I

i i n

V3/' " '#;'?,ic'.? '"' @

l ' I

  • i ((J@l NA I

n

'L it t ic. **

NAc uSt oNLY 121. I d,. t3@.>tsCa.n.:n -

5 lj l NA IriiiIi: ii!'I u.,

n (305) 552-3654' P. L. Pace 7"C.N E :

savso:pritnata_

KO S