ML20084T966

From kanterella
Jump to navigation Jump to search
Telecopy AO BFAO-50-259/763T Re Potential Design Deficiency. Power Supplies to Standby Liquid Control Pumps Locked Out Until Accident Signal Cleared or Normal Voltage Restored to Shutdown Boards
ML20084T966
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 04/26/1976
From: Green H
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8306240334
Download: ML20084T966 (1)


Text

..

M 7H 9

9 N TO WRC

.~.

US Nuclear Regularary C-%sico y

230 Peachtree,St., W Suite BIS Atlanta, CA 30303 C

A

]

)

BFAO-50 259/763T

.'Xhiis telecopy reports a watial design deficlency on Browns F,mczy_Ru.tirar t

i Plant unite I and 2 coincident undetvoltaga' of any barA:iwu board, i

vand an accident signaT.,. the power supplies to the standby liquiu -ecatrol puseps are locked out ter33 the uccident signal is cleared or nor.smal voltage in restored to the shutdown hessrds.

f d

i fM 5

W., J Crean j

Browns Ferry Thielear Timot i

i l

t t

. ~. _ - _.

l 1

.s

{

. :. j I

t 4

.~

},.

.g.l

.it,

..1 w-s

.~j 4

sq

,N

-l 5

2 s

3 j

/,

l

.J.,., s.',

y s.

5

~

.c 8306240334 760426 PDR ADDCK 05000259 f,., ; ;...,

.r;e,...,j s-

..PDR, -

l,., s

.-s. r.. :..

c v--...

9..,

.,t s-

.~

6 g l.

4