ML20084R623
| ML20084R623 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 02/18/1975 |
| From: | Stephenson B COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084R621 | List: |
| References | |
| NUDOCS 8306150249 | |
| Download: ML20084R623 (2) | |
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8159404449 TDBN MORRIS IL 02-18 0537P EST PMS JAMES G KEPPLER, REGIONAL DIRECTOR DIRFCTOR ATE OF REGUL ATORY }"
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OPER ATIONS REGION 3 U.S.
ATO9IC ENERGY COMMISSION, VUX 2
ro 799 ROOSEVELT RD GLEN ELLYN IL_60137
SUBJECT:
DPR-25 9RESDEN NUCLEAR POWER STATION UNIT 3.
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THIS WILL CONFIRM A CONVERSATION WITH PHIL JOHNSON OF YOUR OFFICE AT Q
1530 HOURS THIS DATE CONCERNING DISCOVE9Y OF A LEATING CONTAIN"ENT g
INERTING ISOLATION VALVE A03-1601-21, DURING LOC AL LEAK R ATE l
[jg TESTING. AT THE TIME, 1800 HOURS 2-14-75 UNIT 3 WAS OPERATING AT l
hO 396MWE. THE VALVE WAS BLIND PHLANGED TO SEAL OFF THE PENETRATION BY 0500 HOURS ON 2-15-75. S'JBSEQUENT INSPECTION OF THE VALVE VITH THE 4
j 4N,y COLD SHUT DOWN ON 2-16-75 REVEALED THE SEAT TO BE CRYMFD.
INVESTIGATION IS IN PROGRESS TO DETERMINE CAUSE AND ADDITIONAL INFORMATION WILL FOLLOW IN A 10 DAY REPORT.
B B STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON C0 RR t MOR9IS ILLINOIS 60450 i
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