ML19262A173
| ML19262A173 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 01/15/1975 |
| From: | Arnold R METROPOLITAN EDISON CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I), US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML19262A174 | List: |
| References | |
| NUDOCS 7910260499 | |
| Download: ML19262A173 (2) | |
Text
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CONTROL NO: six 553 FILE: IrCIDENT eEror F RO:.1petroplitan Edison Co.
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50-289 ENCLCSURES:
DESCRi?TiCN-Ltr reporting abnornal occurrence #74-02 on -
Abnormal Occurrence #74-02 on 12-16-74 12-16-74 trans.....
concerning deficiency of design of the AC Control Rod Drive, System Trip Breaker Cabinets......
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Mr. J. P. O'Reilly, Director Directorate of Regulatory Operations-Region 1 U. S. Atomic Energy Comission h'7-631 Park Avenue King of Prussia, Pennsylvania 19406 N..,
Dear Sirs :
Docket No. 50-289 Operating License No. DPR-50 Nonroutine 30-Day Report 74-02 In accordance with the requirements of 6.7.2.b of the Technical Specifications for our Three Mile Island Nuclear Station Unit 1 (TMI-1), we are submitting this nonroutine 30-day report. The report deals with a deficiency of design of the AC Control Rod Drive System Trip Breaker Cabinets which was deternined to exist on December 16, 1974, as a result of discussions with the vendor and archi te ct-engine e r.
'de trus t that this submittal satisfies the reporting requirements referenced above and adequately answers any concerns you may have.
Sincerely, n-I
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Vice President RCA:RSB :tas Enclosure : Nonroutine 30-Day Repe rt 74-02
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