ML20086G409
| ML20086G409 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 09/24/1975 |
| From: | Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Boyd R US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| RO-75-18, NUDOCS 8401110343 | |
| Download: ML20086G409 (2) | |
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PHILADELPHIA ELECTRIC COMPANY
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2301 MARKET STREET PHILADELPHIA. PA.19101 i
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. September 24, 1975 b
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M.. Roger S. Boyd Acting Director Division of Reactor Licensing Office of Nuc1 car Reactor Regulations United States Nuclear Regulatory Commission Washington, DC 20555
Dear Mr. Boyd:
Subject:
Environmental Deviation The following deviation was reported to Mr. Walt Baunack, Office of Inspection and Enforcement, Region 1, United States Nuclear Regulatory Ccanission on September 15, 1975
Reference:
License Number DPR-44/56 Environmental Tethnical Specifications Reference 2.1 Report No.:
50-277/278-75-18 Report Date:
September 24, 1975 Deviation Date:
September 14, 1975 Facility:
Peach Bottom Atomic Power Station Units 2 and 3 R.D.
1, Del ta, Peniisylvani a 17314 Identification of Deviation:
Loss of a second fan on the "C" cooling tower.
Condit ions Prior to Deviation:
Both units at about 55% power.
Description of Deviation:
With the tower in service, the 'E' f an tripped due to a high vibration signal, while the
'F' fan was out of service for maintenance.
Designation of Apparent Cause of Deviation:
Under investigation.
8401110343 750924 10263 PDR ADOCK 05000277 S
PDR COPV SENT REGION
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O Mr. Rogey S. Boyd September 24, 1975 Page 2 s
Analysis of Deviation _:
The 'C' fan was out of service for about 30 minutes. Due to the reduced plant power level and the short duration of the fan outage, no significant environmental impact resulted.
Corrective Action:
The f an was returned to service without excessive vibration.
Failure Data:
Environmental Deviation Reports 50-277/278-74-2, 50-277/278-75-1, 50-277/278-75-8 and 50-277/278-75-10.
Very truly yours, M.
Cooney Ass t Gen'l Superintendent Generation Division cc:
Mr. J. P. O'Reilly Director, Region 1 Office of Inspection and Enforcement United States Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406 i
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