ML19291C922

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AO 73-5:on 730530,emergency Diesel Generator 1 Failed to Complete Routine Surveillance Test.Caused by Blown Fuses in Control Circuit.Fuses Replaced
ML19291C922
Person / Time
Site: Yankee Rowe
Issue date: 05/31/1973
From: Autio H
YANKEE ATOMIC ELECTRIC CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19291C921 List:
References
AO-73-5, NUDOCS 8011140379
Download: ML19291C922 (1)


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I, YANKEE ATOMIC ELECTRIC '.6MPANY i,

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j ROWE, MASS ACHUSETTS 01367 4

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l'.ny 31, 1973 i

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U. S. Atccie Energy 0-i ssion j

Directore,te of Regulatory Operations, Region I 970 Broad Street

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Eevcrh, liev Jercey 07102

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Reference:

License Eo DPR-3 (Docket 50-29) h

Dear Sirs:

With reference to the reporting requirements of our Proposed l

Change Eo 105 Section 5.7 A, C, ve ere reporting Abnertal Occurrence 73-5, Failure of lio.1 D:ergency Dietel Generator to Cecplete a Routine j

i Durveillance ' est at 10D0 Hours on ):ay 30, 1973, t

Preliminary investigstion indicates that fur.es in the control circuit vere blevn durir.g the ntarting sequence. Invectigation is cen-3 t$nuing to determine the cause for the blevn fuses. This vas the first time thic type of failure he.s c ceurred.

To11 cuing replacerent, of the futes the No.1 diesel generator va rectarted and co=plete3 the curveillance test successfully.

The other tvo diecel generators vere started and operated vith r.o abncmalities during thic sc e period.

The Plant Operations and Eeviev Co:=ittee net and revieved the incident. A reco=endation vac rade for further invectigation of the incident.

Very tru2y s ours, hv 4 4:

Ecrbert A. Autio Plant Superintendent WJ./jb l

80nuo377 4