ML19326B386

Forwards LERs 78-010/03L-0 & 78-011/03L-0

ML19326B386
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/12/1978
From:	David Williams ARKANSAS POWER & LIGHT CO.
To:	Madsen G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19326B387	List: 05000313/LER-1978-010-03, /03L-0:on 780419,motor Operator of Standby Hydrogen Purge Isolation Valve CV-7449 Failed to Torque Out. Caused by Torque Switch Failure.Switch Replaced 05000313/LER-1978-011-03, /03L-0:on 780420,exhaust Fan VEF-37B Supply Breaker Tripped.Cause Unknown.Circuit Breaker & Overload Heater Replaced ML19326B386
References
1-058-8, 1-58-8, NUDOCS 8004150756
Download: ML19326B386 (1)

Text

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lE FILE COPYe ARKANSAS POWER & LIGHT COMPANY POST OFRCE BOX 551 UTT1.E ROCK. ARKANSAS 72203 [5011371-4000 May 12, 1978 t3 m-"

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L 1-058-8 U.O

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fjd Mr. G. L. Madsen, Acting Director EM:j "yd 02? ice of Inspection & Enforcement Ql2h EG Region IV Q

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~3 U. S. Nu-lear Regulatory Commission 8

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611 Ryan t'laza Drive, Suite 1000 0

3 Arlington, Texas 76011 M ject: Arkansas Nuclear One-Unit 1 Occket No. 50-313 License No. DPR-51 Reportable Occurrence Reports Nes. 50-313/78-10 and 50-313/78-11 JFile:

0520)

Gentlemen:

I

~

In accor* 'nce with Arkansas Nuclear One-Unit 1 Technical Specificatior.

6.12.3.2, we have attached the subject reports concerning the tripping of a exhaust fan supply breaker (ROR #78-10) and the failure of a torque switch (ROR #78-11).

Very truly yours, C

4 Daniel H. Williams Manager, Licensing DHW:REI:tw Attachments e

8 0 0 415 0 7J f _$

/.Sg MEMBEA MfCCLE SCUTH UTIUTIES SYSTEM