ML20085D077: Difference between revisions

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{{#Wiki_filter:}}
{{#Wiki_filter:I fnarosr4        3 MGMWSHB ' VSH                      Wg Q                  4                          *
        $$$*SShE''ES's SUSPECTED DUPLICATE "7'    73 mestern union u v C U 2-OF0F87E191 ICS IPMMTZZ CSP Q IM              i -.x j  *******
9
    . 8'033321351 MGM TDMT HARTSVILLE S 152 07-10 0340P EST l
ZIP 20545                                                                                            0 50-261 C                                                                        c}                        'b      3 7          ,
JOHN F OLEARY                                                          I DIRECTORATE OF LICENSING USAEC                                ll    gJ-              -
                                                                                                  ')    .A C    WASHINGTON DC 20545                                            -
JUL131973>                  -
                                                                                                              )
h    E.S. AT07.*.1C EllIR"Y
                                                                                                        }
('                                                                              $la$                      3 g      Nd se:uca CD        -4 IN ACCORDANCE WITH SECTION 6.6.2 0F THE TECHNICAL SPECIFICATIONS THE FOLLOVING ABNORMAL OCCURRENCE IS REPORTED AT 0830 ON JULY C    10 WHILE ROUTINELY PUTTING' CONTAINMENT FOR COOLER NUMBER TWO                                        O IN SERVICE, THE CIRCUIT BREAKER FOR THIS FAN TRIPPED. I NVESTIGATI ON
: t.      REVEALED THAT THE TRIP WAS INITIATED BY INSTANTANEOUSLY OVER I b    OCCURRENCE CAUSED BY THE MISALIGNMENT OF THE INSTANTANEOUSLY                                          O CALIBRATION SPRING IN THE OVER CURRENT TRIP DEVICE. THE DEVICE WAS REMOVED, THE SPRING REALIGNED AND THE COOLING UNIT PUT IN                                          '
L. SERVICE SATISFACTORILY AT 1007. TO PREVENT THE RECURRENCE OF THIS TRIP, ALL NEWLY INSTALLED TRIP DEVICES ARE BEING VISUALLY
  -.. INSPECTED FOR PROPER SPRING ALIGNMENT. THIS UNIT HAD OPERATED L    SATISFACTORILY FOLLOWING THE INSTALLATION OF THE NEY TRIP DEVICE.                                      '
THIS WAS REPORTED TO MR HERB WHITTNER IN PERSON ON JULY 10, 1973.
: l.      BENNY J FURR MANAGER H B ROBIt130N SEG PLANT PO BOX 790 HARTSVILLE                                O SC 29550 l    2041 EST                                                                                              O MGMVSHB WSH lC                                                                                                            e lC                                                                                                            O C                                                                                                          O 2 p.lf (ri 1                                                                    -
lc
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                                                      >                    5438                            a 8307200324 730717 PDR ADDCK 05000261 PDR g        S
                                                                                      -4 COPY SENT RPGTON                      ~
t                                                                                                            O}}

Revision as of 15:57, 13 May 2020

Telecopy Ao:On 730710,circuit Breaker for Containment Cooler Fan 2 Tripped.Caused by Overcurrent Due to Misalignment of Calibr Spring in Overcurrent Trip Device.Spring Realigned
ML20085D077
Person / Time
Site: Robinson Duke Energy icon.png
Issue date: 07/10/1973
From: Furr B
CAROLINA POWER & LIGHT CO.
To: Oleary J
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20085D064 List:
References
NUDOCS 8307200324
Download: ML20085D077 (1)
v • d • e


Text

I fnarosr4 3 MGMWSHB ' VSH Wg Q 4 *

$$$*SShEES's SUSPECTED DUPLICATE "7' 73 mestern union u v C U 2-OF0F87E191 ICS IPMMTZZ CSP Q IM i -.x j *******

9

. 8'033321351 MGM TDMT HARTSVILLE S 152 07-10 0340P EST l

ZIP 20545 0 50-261 C c} 'b 3 7 ,

JOHN F OLEARY I DIRECTORATE OF LICENSING USAEC ll gJ- -

') .A C WASHINGTON DC 20545 -

JUL131973> -

)

h E.S. AT07.*.1C EllIR"Y

}

(' $la$ 3 g Nd se:uca CD -4 IN ACCORDANCE WITH SECTION 6.6.2 0F THE TECHNICAL SPECIFICATIONS THE FOLLOVING ABNORMAL OCCURRENCE IS REPORTED AT 0830 ON JULY C 10 WHILE ROUTINELY PUTTING' CONTAINMENT FOR COOLER NUMBER TWO O IN SERVICE, THE CIRCUIT BREAKER FOR THIS FAN TRIPPED. I NVESTIGATI ON

t. REVEALED THAT THE TRIP WAS INITIATED BY INSTANTANEOUSLY OVER I b OCCURRENCE CAUSED BY THE MISALIGNMENT OF THE INSTANTANEOUSLY O CALIBRATION SPRING IN THE OVER CURRENT TRIP DEVICE. THE DEVICE WAS REMOVED, THE SPRING REALIGNED AND THE COOLING UNIT PUT IN '

L. SERVICE SATISFACTORILY AT 1007. TO PREVENT THE RECURRENCE OF THIS TRIP, ALL NEWLY INSTALLED TRIP DEVICES ARE BEING VISUALLY

-.. INSPECTED FOR PROPER SPRING ALIGNMENT. THIS UNIT HAD OPERATED L SATISFACTORILY FOLLOWING THE INSTALLATION OF THE NEY TRIP DEVICE. '

THIS WAS REPORTED TO MR HERB WHITTNER IN PERSON ON JULY 10, 1973.

l. BENNY J FURR MANAGER H B ROBIt130N SEG PLANT PO BOX 790 HARTSVILLE O SC 29550 l 2041 EST O MGMVSHB WSH lC e lC O C O 2 p.lf (ri 1 -

lc

-o

D lC

> 5438 a 8307200324 730717 PDR ADDCK 05000261 PDR g S

-4 COPY SENT RPGTON ~

t O

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