ML20086H130

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Telecopy AO 75-62:in 750921,RHR Head Spray Stay Fill Vent LS-5223 Found Inoperable.Caused by Binding in Switch Float Assembly.Stay Fill Tank Refilled & Switch Will Be Repaired
ML20086H130
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 09/22/1975
From: Ullrich W
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
AO-75-62, NUDOCS 8401130437
Download: ML20086H130 (1)


Text

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PRILADELPHIA ELECTRIC COMPA5Y Peach Botton Atomic Power Station Delta. Pennsylvania II31 September 22 1975

?

Mr. James P.

O'Reilly. Director

,[jdA Office of Inspection and Enforcenent Region 1

~~

United States Nuclear Regulatory Commission pg h 631 Park Avenue i

King of Prussia. Pennsylvania 19406

Subject:

Abnormal Occurrence 24-Hour Noti fication Confirming R.

S. Fleischmann's' phone conversation with Mr. Walt Baunack.

Region 1 United States suelear Regulatory Co= mission on 9/22/75

Reference:

License Number DPR-56 Technical Specification

Reference:

4.5 0 Report So.:

50-278-T5-62 Report Date:

September 22 1975 Occurrence Date:

September 21. 1975 Facility:

Peach Botton Atomic Power Station R.D.

1. Delta, Pennsylvania 17314 s

Identification of Occurrence:

Failure of LS-5223 to operate SV-5223 (RHR head spray stay fill vent)

I Conditions Prior to Occurrence Cold shutdown.

Description of Occurrence :

During a routine instrument aurveillance test.

be inoperable.

LS-5223 was found'to Designation of Apparent Cause'of Occurrence:

Binding in the switch flo,at assembly.

Analysis of Occurrence.

The head spray line was full prior to the test, and the reactor was in the cold shutdown condition.

This occurrence has minimal safety y

implications.

. Corrective Action:

l

. The stay fill tank was refilled.

The switch will be repaired.

Failure Data:

Previous failu'res reported as 50-277-75-4 and 50-278-75.

Very truly yours.

i d'

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l W. T.

Ullrich. Superintendent 1

Peach Botton Atomic Power Station t

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8401130437 750922 3

PDR ADOCK 05000278 S

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