ML20084R331
| ML20084R331 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 07/02/1973 |
| From: | Kalivianakis N COMMONWEALTH EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084R320 | List: |
| References | |
| NUDOCS 8306150067 | |
| Download: ML20084R331 (1) | |
Text
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Ol'J!)1 -, F:,' t y VEE 221( 1530)(2-045970E183) PD 07 /02 /73 1530 ICS IPMENGZ CSP 3096542241 TDBN CORDOVA IL 153 07 0330P EST PMS B GRIER, FONE IIS ATOMIC ENERGY COMMISSION REGION 3 COMPLIANCE 799 ROOSEVELT RD f
GLEN ELLYN IL 60137 SUBJECT GUAD CITIES NUCLEAR POWER STATION UNIT ONE AND TWO DOCKET
- 50-254 AND 50-265 DPR 29 AND 30 APPENDIX A SECTION 1.0. A.4 AND 6.6.B.1 ON JULY I 1973 THE SHARED DIESEL GENERATOR WAS FOUND TO BE INOPERABLE WHEN THE UNIT ONE OPERATOR WAS RELIEVING THE SHIFT AT ABOUT 1530 HE OBSERVED THAT THE GREEN LIGHT INDICATING THAT THE 1/2 DIESEL IS SHUT DOWN NOT LIT. A BLOWN FUSE WAS REPLACED IN THE DIESEL CONTROL CIRCUIT AND THE DIESEL VAS SUCCESSFULLY TESTED AT 1700 THE LOSS OF CONTROL POWER DURING THE PERIOD THAT
$F-1201}$([3) FUSE WAS BLOWN RENDERED THE DIESEL INOPERABLE PRIOR TO DISCOVERY OF THE FAILURE THE MOST RECENT TESTS OF THE DIESEL WAS ON JUNE 29 THE UNIT ONE AND TWO DIESEL WERE OPERABLE AT ALL TIMES THE CAUSE OF THE BLOWN FUSE IS BEING INVESTIGATED AND BELIEVED TO BE DUE TO A DEFECTIVE INDICATING BULB OR SOCKET NICK K ALIVI A NAKIS l -l
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