ML20030C074
| ML20030C074 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry |
| Issue date: | 04/27/1981 |
| From: | Abercrombie H TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8108250369 | |
| Download: ML20030C074 (2) | |
Text
___
April 27, 1981 l
OFFICIAL COPY
- .ERC RE@ 'i;,.l-p \\ l?'r i j
U. 5. Nuclear Regulatory Comission
' ~ ~ ~
xasion 11
- NT h. ' ' ' * :;
Lz' s
101 Marietta Street, NW
~
~~'N
~
s
/W',
9/
'/\\
Suite 3100 3_,o g F I[d' C
[
['2, Atlanta, Georgia 30303 j
C i
y
,a BFBD-50-260/8119 W
c
.y s
i 4, 8 d
)
b/
Reported under Technical Specification 6.7.2.s (5) cnl e
Date of Occurrence: 4/25/81 Time of occurrece: 1030 heura Unit 2 Technical specification Involved:
3.2.A
~
Conditions Prior to Occurrence A
Unit 1 in reiveling outage: units 2 and 3 in normal operation.
i k
Id_entifica_ tion and treacrfotion of occurrgel T
The requirements of Table 3.2.A for main steam' isolation valve high-temperature isolation were not met. Both channals of foolation lo5 c i
were jtmpared and rendered inoperahla. The condition was recognized, and the jumpers removed within 48 minutes of being installed.
Apparent Cause of,0ccurrence Personnel ^ error in interpreting plant procedures concerning emergency use of temporary alterations.
Other Related Events None Co_rrective Action Taken or Planned The jtapers were removed within 48 minutes of being installed.
Investigation la presently underway to determine what personati actions and/or procedural changes are necessary to prevent rec _urrence.
hEGfOSAL DIRECTOR bEPUTY DIRECTOR ASSISTANT TO D. RECTOR p. t.. Aberc fe Power Plant Superintendent DIRECTOR, RRPl Browns Ferry Nuclear Plant DIRECTOR, EFOS DIRECTOR, ENF/iNV DIRECTOR, ETI PUBl.lC AFFA'.RS CFF,Ct1 1
8108250369 810427 L
'$'h4,
PDR ADOCK 05000260 S
PDR lg_
_