ML17252B035
| ML17252B035 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 06/04/1974 |
| From: | Stephenson B Commonwealth Edison Co |
| To: | O'Leary J US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17252B035 (1) | |
Text
1Regulatory.,Docket
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U5AEC HQS GTWN lLXA179 WAE235<1_756><1-038694C155002>PD 06/04/74 17.40 ICS IPMVEIC MVN 1974 JUN 4 PM 9 4$
03~31 TOVE MORRIS IL'.JJ7 06-0,4 215P.CDT P~S.J F o.t LEARY DIRECTOR DIRECTORIATE OF LieENSING
. U5_~TOMIC ENERGY COMMISSION
. wux WASHINGTON_ DC.. 60137
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5 o*~ 2 4 9
':' :~~241)
I SUBJECT DPR-25~ DRESDEN NUCLEAR POWER STATION UNIT 3.
lliIS WILL CONFIRMATION CONVERSATION_ WITH F. MAURA OF YOUR
-~FIC~At 1330 HOURS THIS DATE CONCERNI~G AN APPARENT
- ,.*F'A.lLURE OF THE CD> MAIN STEAMLINE HIGH RADIATION MONITOR DISCOVERED DURING WEEKLY SURVEYLANCE TESTING.
THE CD>
MC\\JN STEAML1IN HIGH RADIATION MONITOR FAILED TO l~IP WHEN
~SIMULATED HIGH RADIATION SIGNAL WAS INJECTED*
AN INVESTIGATION IS CURRENTLY 'UNDERWAY TO DETERMINE IF IT IS A MONITOR FAILURE OR MERELY A FAILURE OF THE JEST CIRCUIT.
ADQITIONAL DETAILS AND THE RESULTS OF THE INVESTIGATION WILL BE FORTHCOMING IN THE FORM OF A 10 DAX LETTER IN *
~CORDANCE WITH SECTION 6.6.B*l*A OF THE. TECHNICAL SPECIFICATIONS.
B B STEPHENSON SUPERINTENDANT
.DR.ESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON COMPANY RR # 1
~ORRIS ILLINOIS 60450
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