ML20009G214

LER 81-075/03L-0:on 810501,during Routine Surveillance, Broken Motor Mounts Discovered on Control Room Outside Air Filter Makeup Fan.Caused by Metal Fatigue.Mounts Repaired & Sys Returned to Operability

ML20009G214
Person / Time
Site:	McGuire
Issue date:	05/31/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009G209	List: ML20009G208 ML20009G214
References
LER-81-075-03L, LER-81-75-3L, NUDOCS 8108030433
Download: ML20009G214 (1)

Text

e t

NAC FORM 364 U. S. NOCLEAA RECULATORY COMMess1Q t mm UCENSEE EVENT REPORT EXHIBIT ,'

c=NTnot stocx: 1 I I l l l l@ (Pt ASE PamT ca TYPE ALL aEcusato mpCauATrem i .

I,o lile .IN l C l MI Cl S l Il@(0 uCsasan C=Ce i. u !01 -! 0101010101 uCo.saau=.aa

- 1010.sl@(a 4l uCo.se ll 1 l rv,e 1 l e1 igl l lg u c.a r a caw.

lotil

1. 8 1"*$ Q@l 015101010

'O .8  ! 31 619 @l015 COCE ST mums GR 44 etl I(V(N 01T QAft 11811 @l 0151311 J. 73 ggpcaygAgg i 811ggl@

EVENT CESCalPTION AND PRC8ASLE CONSECU*NCES btc lo ! 21 IWhile in Mode 5, initial fuel loa'tfing, during routine surveillance brokea ITTTI Imotor mounts were discovered on the Control Room Outside Air Filter Makeup ITT'Il i Fan. The fan was declared ineperable. This violated Technical Specificatic ,

t o i s i l 't. 7.6 and is recortable oer Technical Specification 6.9.1.13(b) . The re-Lo_15 ) 1 dundant train remained opera' ., therefore the health and safety of the lolFl l wh]{c were not g((ected, 4

i o ia i i ,

systru CAuse cAuse CCC4 c v.ty, CCCE susCOct C*A*ENT O3C8 Ib. owe.

COCS ~

SusCOCE toist I A l Al@ n[E_j@ l B l@ l Xl XIX l XI XIX l@ W@ y @

. .. i2 2 ,. i. 2.

18CU4MTiat QQ A e t p.C4 A fvtitC80 3 mim0 .SN EMT Y tA A ALPCAT 880. COCS a TV g ,0,,yy 5 mc.

@,,a(&Pc,arI si 11 I017!51u W u 22 l-l a

1/f u

1013I [--] W

2. a a a u u Ef0 ':9!,! oflA'F-T 57,WTJ" cu,3 @ 'f.3G' ,i*:t.. '"sL"Ju*:."'- offu",'fE"I,s LBJ@ll.J@

u_ a I. Z I@ LZJ@

u l

u&! 010 I .Lyj@ l N j@ [o Ll@ [ X [9 l 9 l ;l@

a .

CAUSE CESCRIPTICN AND CORRECTIVE AC"1CNS 27 '

tito,lThe fan motor mounts failed d,e po metal fatigue. A work request was t,,iiiinitiated to repair the mounts d the system was returned to operability.

L,i_t.u ! This system was manufactured by CTI Nuclear.  :

1ii s t I '

li ta l I ,

7 . t o

TT Tus  % 8'0wtm QTietmsTATUS CISC RY OtSCCVt OgsCN

! Ii i5 I l,X,j@ l 010 4 0 J@l Mode 5 l~ lRlgl Routlau SurveiUance.FTICM l 1 . ,;., g7 , is is = = u

..< m . _ou l ltisJ[z]@,...<m.[,_;,i@l NA T,..T, @ l l NA

_ .. ..m @ j

, ,isc~~ t er,cs " u '-

. ... n,. =.sc.,,,,c R l 01 010 i@ [.Z_J @ l NA

,. . .e ~.L' ,,uu 3 "2 uou. eiscaime=@

liIsll0l010!@[

, . . n i:

NA

'nT *

• fiTel L. zl@M'C.',Jc',*.

l i.

*" @ NA l

I sisut Of CasFTICN E. L, t@{r.

NA f u ..

[tfIiIIi!!It[

NAuf ca enErAaEn -

2" E Ouellette (704) 373-7530 eucN E:

8108030433 810529 PDR ADOCK 05000369 S PDR

. - . - -- - _. -