ML19242A665
| ML19242A665 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 07/26/1979 |
| From: | VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7908030367 | |
| Download: ML19242A665 (1) | |
Text
- y./ //3 ' f 1 e
, y,.. w a. rin. toc u.xj i t ecr Ccmparg
~
~
~~
(T%7*
s262 3.o m A... a l't taer stedhn, unit w i Npp 4 t oci<el Mo. fio-338 I
i
! Tvi f fear Repartable Eent JUL 2 01979
'wriuen roticw Ltp 1
I Event : Fabre cG Tgpe NAL 9,4ynl Ccupctra-tcr Cards
}
LER/RO 7()-Ocl3 oiT-C
/
.I il ve Ar_nverect hat it is poscable Gor tha I jaoc, pco sectes shgocd ccmparator (NAL) CardC to 9c causing the cosecriated bistable to possib\\g S \\.
Scn \\
in an unsc6e b, ode-s c
en y
The cause oG this prob \\em is tha.t compene.
Q W-loy(Duni rLcipheral briver plus 2. NPt4 Output Tconsistors) on the MAL card somekimes Cd' ds n-
, char ted ccndition &rebg ded Sunckion.prevenbing Ehe.bishtk i srom perCormicg TEs inten 1
[N fj, Vepco Instrume,t Npartment has Initiated
(( revieu 09 the historg 09 NAL card 9adures.
N u u co The tMit is presenb\\g operaking in Moci, ca i
Fj l l Fubtre correckIVe ac.tions cdll be. cleberni
~
bg the Gindings 09 the M A L Cord Go~ dure historg revieu.
a 1
9