ML19326B675

AO 50-313/74-10:on 741024,during Surveillance Test for Diesel Generators 1 & 2,both Generators Not Ready for Synchronization in Required 15-s.Cause Unknown.Subsequently Restarted Successfully.Investigation Continuing

ML19326B675
Person / Time
Site:	Arkansas Nuclear
Issue date:	10/24/1974
From:	Phillips J ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML19326B655	List: ML19326B654 ML19326B659 ML19326B663 ML19326B665 ML19326B675
References
NUDOCS 8004170518
Download: ML19326B675 (1)

Text

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p. NORM &N C MOSLEY, DIRECTOR OF REGULATOPY OPERATIONS UNITED STATES ATOMIC ENERGY COMMISSIONREGION II 230 PEACHTRFE ST NnRTHWEST SUITE 818 ATLANT4 GA 30303 SUBJECT ARKANSAS POWER AND LIGHT CnMPANY ARKANSAS NUCLEAR ONE-UNIT 1 00CkET 250-313 LICENSE #DPR=51 ARNORMAL OCCURENCE REPORT #50-313/74-10 SURVEILANCE EST WAS CONDUCTED ON DIESEL GENERATORS NUMBERS ONE AND TWO AT 05d5 HOURS ON 10-24=7c.ROTH DIESEL GENERATORS WOULD START AND COME UP.TO SPEED BUT.WERE NOT READY FOR.SYNCHRONIZATON IN THE REQUIRED 15 SECONDS (START TIMES APPROXIMATELY 18 SECONOS EACH). BOTH WERE SUBSEQUENTLY RESTARTED AND STARTED IN 11 TO 13-SECONDS. CAUSE AT THIS TIME IS UNKNOWN. INVESTIGATION CONTINUING g J' TO DETERMINE 'C AUSE. OFFSITE ' POWER ' SOURCES WERE' OPERABLE ~THEREFORE '

'V NO HAZAR0 TO THE SAFETY AND HEALTH OF THE PUBLIC

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J D- PHILLIPS SENIOR .VICE PRESIDENT . - - ,

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Arkan~sas Power and T,ight Company -2 .

December 16, 1976 ,

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Should you have any questions concerning this inspection, we will be pleased to discuss th,em with you. .,.

Sincerely ( .

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G. L. Madsen, Chief , ,

Reactor Operations and -

Nuclear. Support Branch .

Enclosure:

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i IE Investigation Report No. 50- 313/76-18 )

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