ML17252A538
| ML17252A538 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 06/12/1974 |
| From: | Stephenson B Commonwealth Edison Co |
| To: | O'Leary J US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17252A538 (1) | |
Text
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IESTERN UNION INCOMJNS
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USAEC HQS GTWN 5 0
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.wu wsH 1974 JUN.'?
PM 10 ~.o TLXB047.
WAG358< 1823?< l-04211_8Cl63002>PD 06/l~/74 1823 ICS IPMVEIH MVN u.s~ ATOMIC ENERGY COMM~
08278 TDVE MORRIS l 12 06* 12 200P CDT TW.X UNIT PMS F o*u:ARy' QIR[CIOR' WlfX DIRECTORIATE OF LICENSING us ATOMIC ENERGY COMMISSION WASH I ~GTON DC 20 545 SUBJ_ECT DPR~25* DRESDEN NUCLEAR POWER STATION UNIT 3 THIS WILL CONFIRM A CONVERSATION WITH F MAURA OF YOUR OfFICE AT 1300 HOURS THIS DATE G-ONCERNING THE DISCOVERY DURING ROUTINE SURVEILLANCE. TESTING Or 2 REACTOR HIGH,. PR~SSURE SCRAM SWITCHES
<PS-3-263*55A & C> WITH SET POINT~ ABOVE tHE 1060 PSid VALVE
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ALLOWED. BY LIMITING SAFETY SYSTEM SETTING 2.2.A THE SWITCHES
. WERE: F'OUND TO OPERATE AT 1064.PSIG... AND 1066 p*sIG RESPECTIVELLY A'JD WERE IMMEDI.ATELY RESET TO 1048. PSIG ANO 1044 PSIG ADDITIONAL DETAILS ARE FORTHCOMING IN THE FOR~,OF A 10-DAY LETTER.IN ACCORl)ANCE -WITH SECTION 6*.~*B*l*A OF THE TECHNICAL.
SJ:>.E.C J FI CAT IONS*
8 8 STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER COMMONWE~ATH EDISON COPY RURAL ROUTE I MORRIS ILL *60450 N\\JNN JUN 12 717P EDT+
USA EC HQS.* G:rWN
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WESTERN UNION Titt*.
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5297