05000369/LER-1981-043-03, /03L-0:on 810410,pressure Gauge for Steam Generator a Steam Line Pressure Channel 2 Did Not Respond W/Other Gauges.Caused by Failure of Pressure Transmitter Root Valve to Open Due to Weak Plunger Spring

From kanterella
(Redirected from ML20009C169)
Jump to navigation Jump to search
/03L-0:on 810410,pressure Gauge for Steam Generator a Steam Line Pressure Channel 2 Did Not Respond W/Other Gauges.Caused by Failure of Pressure Transmitter Root Valve to Open Due to Weak Plunger Spring
ML20009C169
Person / Time
Site: McGuire Duke Energy icon.png
Issue date: 05/10/1981
From: Ouellette R
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C168 List:
References
LER-81-043-03L, LER-81-43-3L, NUDOCS 8107200342
Download: ML20009C169 (1)


LER-1981-043, /03L-0:on 810410,pressure Gauge for Steam Generator a Steam Line Pressure Channel 2 Did Not Respond W/Other Gauges.Caused by Failure of Pressure Transmitter Root Valve to Open Due to Weak Plunger Spring
Event date:
Report date:
3691981043R03 - NRC Website

text

,

NaC PonM 3es U.S. NUCLEAA aEGULAroRY Coteasessu rf.773 LICENSEE EVENT REPORT EXHIBIT A coNTnot stocx: l I

l 1 I I l

tetaAsst raiwr on Tyre ALL ascusaeo imponuAnome i

loTT11 sic i si Gi SI II@l a t c l-l 01 01 0101 01 -10!0 l@l J.I i t i l i l l t@l I t sacar5.@

. uc.ns.ecaos i.

s wemmeav=.aa 4s a

ucsasa r ce a coser E

"o'u% l L)@l 015 l 010101 3l 6191@l 014 l 11018 l 1 l@l 015 l 110 l8 l1 l@

,,c,,, no av

,o,1, 7.

7 EvsNT ossemirrion Ano anosAeLa consaQUENCES h r:nsi I While in Mode 3, initial fuel loading, the pressure gauge for S/G 'A' Steam i r.usi i TMne Pressure channel II did not respond with the other two pressure I caunes.

This required implementation of the appropriate Action Statement i

o s I as specified in Technical Specification Table 3.3-3.

Since there was oe I operable redundant instrumentation the health and safety of the public were,

l'iiTTl I,,_ o t a f f ec ted.

o l

I E.

E sEs

==

w : m enos su.c idTi'l I c I cl@ (E_j@ lB l@ Qlj! Ll VlE lX16 l oosi. I@

H@

X 1

i.

i, is is i.

wea'EN "cSN"*'

"*'ves *

"Y'

~

Laasno evaarve^a

@ bO g r

(n _.l l_j l-l 10 141 3l l/l W

g y

H

=

=

2.

=

n

=

2, o

E EE o!!E W "U5"r"vE# noes. "E"E.I' uaY= acr'u" Ten

- oues pp@

p@

p@

,10 f Olo l l p@

gl Ll@

l D l 2 l 3 l 2 l@

cause ossen Prion Amo connective Actions @

IiloiI The root valve on the S/G 'A' Pressure Transmitter would not open.

The g

E I spring which pushes a plunger up against the diaphragm to open the valve i

I was not strong enough to do so.

The valve was repaired and the affected 1,2 l channel was calibrated.

LLid. I l

s s*T erweasrana @

a".".cowIn "

o cowaaroncaimon @

n

    • omea L1 (s ] l_3l@ l Ol 010 l@,

Mode 3 l' W@

i Personnel Observation l

e g.,,,,, g,,,,,

is is

.=ou ro..Cnv w @ l toc.,,

.. toe, @

=== = o-

=

L' l.ij lJ,j @ =LI@l 1

NA l NA l

o J.

=

E I010l0l@ U @lo aim @ NA

-.a l

' ' reaso

't'iiuu'!a

=

on aime=@

eni=.sa I0101Ol@l NA i e l

1 ee is is

'g osoa,o ya-yeaciun g

@ l_.JJ@l NA l

,u.us.

oncaimon @

mac use onLY

$. dueol NA l g;[gi;;;;;;;j i.

hK05000369

, (704) 373-7530 R. W. Quellette NAME oF PREPAMER 42 810506 PD S

PDR i