ML20086G281

Environ RO 75-20:on 750923,second Fan on Cooling Tower C Lost.Caused by Failed Coupling.Fan F Motor Replaced & Balanced.Awaiting Parts for Repair of Fan D

ML20086G281
Person / Time
Site:	Peach Bottom
Issue date:	10/03/1975
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Stello V Office of Nuclear Reactor Regulation
References
RO-75-20, NUDOCS 8401110080
Download: ML20086G281 (2)

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. PHILADELPHIA ELECTRIC COMPANY ,' , 7 ~' '

( 2301 MARKET STREET z-N{(/

PHILADELPHI A. PA.19101 - 0077 / 07e

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(215)841-4000 oj p Cg E,IYe W

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October 3,1975 ~ 4 \

3 W i Mr. Rocer S. Boyd, Acting Director j Division of Reactor Licensing  !

Office of Nuclear Reactor Reculations j United States Nuclear Reculatory Commission l Wa shi n gton , D.C. 20555 -

Subject:

Envi ronmental Deviation The following deviation was reported to Mr. Eldon Brunner, Office of Inspection and Enforcement, Region 1, United States Nuclear .

Regulatory Commission on September 23, 1975 f

Reference:

License Number DPR-44/56 Environmental Technical Specific 5tions:

Reference 2.1 Report No.: 50-277/278-75-20 -

Report Date: October 3,1975 Deviation Date: September 23, 1975 Facility: Peach Bottom Atomic Power Station Units 2 & 3 R.D. #i, Del ta , Pennsylvani a 17314 Identi fication of Deviat' ion:

Loss of a second fan on the "C" cooling tower.

Condi tions Prior to Deviation:

Unit 2 at approximately 57% power and Unit 3 shutdown.

Description of Deviation:

The 'D' fan on the 8C' tower was removed from service, while the 'F' fan was out of service for maintenance.

Designation of Apparent Cause of Deviation:

l Coupling faiIurs.

Analysi.s of Deviation:

Significance nf the deviation is minimal because of the -re-duced power operation and river flows in excess of 20,000 cfs.

8401110080 751003 PDR ADOCK 05000277 S PDR COPY SENT REGION }' i

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,. Mr., Roger S. Boyd 50-277/278-75-20 October 3,1975 Page 2 Corrective Action: .

The tower was returned to an operable status on September 26, 1975, af ter the "F" f an motor was replaced and bol' ncad. Repair of the "D" f an must await repair parts.

Failure Data:

Environmental Deviation Reports 50-277/278-74-2, 50-277/278-75-1, 50-277/278-75-8, 50-277/278-75-10 and 50-277/278-75-18.

Very truly yours, M. . Coor.ey

. A s' t Gen' 1 Superintendent ,

Generation Divisi6n- ,

cc: Mr. J. P. O'Reilly Director, Region 1 Of fice of Inspection and Enforcement United States Nuclear Regulatory Commissi'on '

631 Park Avenue King of Prussi a, PA 19406 ,

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