05000369/LER-1981-089-03, /03L-0:on 810522,while in Mode 5,noble Gas Activity Monitor EMF-33,on Condenser Steam Air Ejector Sys Would Not Function in Auto Mode.Caused by Water Being Aspirated from Loop Into Vacuum Pump.Pump Restarted

/03L-0:on 810522,while in Mode 5,noble Gas Activity Monitor EMF-33,on Condenser Steam Air Ejector Sys Would Not Function in Auto Mode.Caused by Water Being Aspirated from Loop Into Vacuum Pump.Pump Restarted

ML20009C118
Person / Time
Site:	McGuire
Issue date:	06/21/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C114	List: 05000369/LER-1981-089, Forwards LER 81-089/03L-0.Detailed Event Analysis Encl 05000369/LER-1981-089-03, /03L-0:on 810522,while in Mode 5,noble Gas Activity Monitor EMF-33,on Condenser Steam Air Ejector Sys Would Not Function in Auto Mode.Caused by Water Being Aspirated from Loop Into Vacuum Pump.Pump Restarted
References
LER-81-089-03L, LER-81-89-3L, NUDOCS 8107200300
Download: ML20009C118 (1)

LER-1981-089, /03L-0:on 810522,while in Mode 5,noble Gas Activity Monitor EMF-33,on Condenser Steam Air Ejector Sys Would Not Function in Auto Mode.Caused by Water Being Aspirated from Loop Into Vacuum Pump.Pump Restarted

Event date:
Report date:
3691981089R03 - NRC Website

text

.

aagco=s**

u. s. auctE4a aEcuuToav cao

,ss,o,.

LICENSEE EVENT REPORT EXHIBIT A Cournot alocx: l I

l l

l l

[g (PLEASE PRINT OR TYPE ALL REcutRED INFORuATION) lo t il in I c I M I c l Sl 1 l@1501 01-10 101 O! 010 l-10 10 l @ 11, 13 til31@l l

[g i

8 9 uCEMSEE CODE 14 UCEN5&NuuSEA JS M

uCEN54 tvet 40 g) CA r sa cou r I, a l I Eu""C di n I 5 l 01 010 l 3 I 6l 91@l 0 l 51 212 I 81 li@l016 l 21118 l 1l@

8 80 61 coCag7Nuusam is 69 (VENT C ATE F4 75 at CAT DATE 80 event OLscaseTicN Ano pac 8 A8LE CCNsECUENCEs h ITTTI I tJhil e in Mode 5. initial fuel loading, the noble gas activity monitor, EMF-33,;

lo121I nn rho enndenser Steam Air Eiector System would not function in the "AUT0" lo!Al1 -nde.

This is in violation of Technical Specification 3.3.3.9 and required l o 15 ! I i-nl o-ontation of an Action Statement.

Since no radiation above background I o is I ! existed in this system, as confirmed by Health Physics analysis, the health [oirII and safety of the public were not affected.

lo se l l I

r a e da C &

CC (

sL C E M N(NTCOCf su8 su OCE l BlB l@ [A_J@ lB l@ II lN l S I T!R I U l@ l 5CEl@ W @

loist 7

8 9

10 11 12 13

's 19 M

stCuf NTI AL CCO'.; A # E NCE A t PCR T 4tVI 8CN-g e rno EVENT YEAR AEPCAT NQ, CCCE Typt

ago,

@,"(jgg i RI il l-l l 0 l 819 l l/l inl1l W

[-J [0]

a m

2.

24 2,

m o

a 21 u

^$" WlJ C'.'id57

'TerEE" cu.s @ 's".'fr~ris'

'"s'u",kc "'

• • "l?CCl..

oa u LB_(s')l z l@

Lzj@

L zi@

10 10 ! 01 01 LY.J@

l N l@

l Ll@

l Gl Ol 6 I 31@

13 M

OS Le 33 ao el 42 aJ e.a et cAusE EscarPTICN ANQ COARECOVE ACDCNS h Ii io I ! Since the vacuum switch had been readjusted to a more sensitive setting, l' li i I ann ri ntin fluctuation in the system's vacuum caused the low flow alarm to crnb samples were taken as required, the system vacuum switch was L!_LZJ l nccur.

Ii e 21 l checked and the vacuum pump was restarted and returned to service.

lital l J

7 e e 8 ActuTY oTuen s7Arus, Q@0) u,tTWOO..C,8 rT*rus secwen g

o sco o,, Coy,,,,,,c,,,7,,,

fi Ii'l [,,y] @ l0 l 0 l Ol @ l Mode 5 I

(,_Al@lOperatorObservation l

A MVITY CC TEMT 90 AMQuNT OS AC"TivtTV @ l NA (gg37;gg gy ggggggg @

=<t Asso Ca attrass l'lal [_7] @ [Z,J @ l NA l

l nosoNuet ruesOes r3 ersCaimCN @

=vueen Tyre l ' 171 l Ol O l 0 }@[Z_J@l NA l

'3 ensoNNe'.' euu' lies no cascaimeN@

t

uu.s

l l'ISIIdnlol@l NA l

7 8 9 11 12 LCE:C# CR CAwaCE TO PActuTV

'O TV8t CE CarPT1CN M d@[

NA g

F S 9 10

'US uCITY

'O 35uso c a scmirTioN 45 NRC USE CNLY

[,,2_[_j (,gj@l NA gg;;;;;;;,,,l e e io 9

l R. W. Quellette (704) 373-7530 uAuE Cs enEranE, l

8107200300 810618 rwcu E:

[DRADOCK 05000369 PDR