ML20043F781
| ML20043F781 | |
| Person / Time | |
|---|---|
| Issue date: | 03/01/1989 |
| From: | Hauber R NRC OFFICE OF GOVERNMENTAL & PUBLIC AFFAIRS (GPA) |
| To: | NRC OFFICE OF GOVERNMENTAL & PUBLIC AFFAIRS (GPA) |
| Shared Package | |
| ML20043F779 | List: |
| References | |
| FOIA-90-151 NUDOCS 9006180132 | |
| Download: ML20043F781 (8) | |
Text
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, _ #p aasy UNITED STATE 8 8
NUCLEAR REGULATORY COMMISSION
-e WASHINGTON, D. c. 30506
$lAR p 1 1989 TO:
DISTRIBUTION s
FROMs R. HAUBER, SPA /IP SUBJECTS ADDITIONAL INFORMATION DN TE JAPANESE BWR RECIRCULATION PUMP IN-WATER BEARING RING PROBLEM i
Attached is a press clipping from March 1, 1989 Japan Times I
that reports that 23 additional metal fragments have been found.
in the Fukushima-Daini reactor due to the failure of a recirculation pump bearing ring discovered on January 6.
GPA/IP will continue to pass to you additional information on this incident as it is received.
Attachment:
Japan Times Press Clipping dated March 1, 1989 i
i 9006180132 900504 m, a n eo"
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(f THE JAPAN TIMES o WEDNESDA'Y, MARCH 1,1989 b
Metalfragments discovered inside nuclear plant's~ reactor.
FUKUSHIMA (Myodo) A mia-mal Vfbration was detected ments of the el pump's im.
hap in'a reactor at Tokyo, ling cooling water to the inside a jet pump for recyc-pe!!crs.
Electric Power Co.'s Fukushi.
Metal dust believed to have ma No. 2 Nuclear Power
- reactor, been produced by friction be-Plant, first reported Feb. 3 Plant authoritics had car.
two'en the rcactor bcd and me-turns out to have been worse. - lier discovered that a piccc oftal pieces stuck on the lo'wcr than previously believed.
a 100 kg metal plate attached part of the fuel assemblics in addition to a broken me.
to an'axic in the pump had was also found, tal plate, metal fra worc found in the No.gments come off in the ace dont, Usin They also found that sec. camera,g an underwater 3 reno-the utility is examin-tor's pressure vessel, which. tiens of the pump, as well as ing the reactor's fuo! assemb.
stirrounds its core, the utility ci ;ht bolts and five washers lics, which have been moved l
reported Tucsday' to' the ho, ding the plate to the axle from the reactor core to an Fukushima prefectural gov-had come 'ofl assembly pool.
ernment. '
Subsequently, on Feb. 25 It has examined 180 of the The government said it now. and 26, the company found 10 704 assemblics and found me.
regards the incident more so-metal fragments from the tal dust or fragments on 25 of riously than before, bottom of the pressure vosscl them.
Tokyo Electric reported it along with 13 others in the jet
'It plans to examine all the had never heard' of an acci-
- pump, fuel assemblies by the end of dent in which metal frag-Thc 23 metal fragments me.
- March, ments were discovered inside asured between 1 cm and 10.5 ?
Itwill also closely examine the pressure vessel, cni in length and weighed 0.3 'the reactor core for metal
. The No. 3 reactor was stop.
grams to 9 grams.
dust or fragments that may ped on Jan. 6 after an abnor.
They are thought to bc frag.
have found their Way into it.
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