ML20038A094

RO 76-46:on 761228,emergency Diesel Generator Failed to Start in Automatic Mode During Testing.Caused by Failure of Spring in Starter Drive Delco Part 1945487.Replacement Unit Installed on 761228

ML20038A094
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	01/26/1977
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
76-46, NUDOCS 8110060085
Download: ML20038A094 (1)

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UCENSEE EVENT REPORT p~ D CoNTaok eLoCx:l I I I I I I ta mass Pa=tr au. neouman ar G

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DOCKET NUMeca IVtNT CAft 8DORT Cart g

@CCNT l l l y i Ol 5 l Ol-l Gl1l Sl S I Ill 212 l 5 f 7 l 61 lo 111216 l 71 7 0 37 08 SS LO 61 c6 69 74 73 EVENT DESCN' TION g l"'he er.ergency diesel generator failed to start consistently duing naintenance tet 7 89 l

g ling activity. A defective starter drive was replaced and subsequent testing cn 10 w

7 89 y l 28/76.as satisfactcry. The unit had been previcus1.r tested satisfacterily en 12/ k 7 89 Q l27/76. Failure is sinilar to FO-36-76 reported 12/17/~6.

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CAUSE DESCM8TCN Q l Che strint-in the starter drive Celco Part #19L5L37 failed. An additional failure ?

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Q l of this sprins; occu red and was reported in A0-7-7k dated L/23/?h. S e replacene [

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Q l unit installed en 12/23/76 is a redesirned vendor cenrenent and shculd preclude 7 89 N

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