ML20009F625

LER 81-074/03L-0:on 810429,inadvertent Safety Injection Initiated on Train a When Solid State Protection Sys Logic Cabinets Were Returned to Svc W/O Blocking Injection Signals During Initial Fuel Load.Caused by Mods to Cabinets

ML20009F625
Person / Time
Site:	McGuire
Issue date:	05/29/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009F622	List: ML20009F621 ML20009F625
References
LER-81-074-03L, LER-81-74-3L, NUDOCS 8107310362
Download: ML20009F625 (1)

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ITTT'I I n f l a in Mode 5. initial fuel loadine, an inadvertent safety injection was g G lin4*4,+M on Train A when the Train A Solid State Protection System cabinets  ;

13!.#twere returned to service without blocking the safety injection signals. y e lThe health and safety of the public were not affected. This is reportable  ;

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1. !a l I Durine modification work, certain safety injection permissive blocks were j m Icleared from the Solid State Protection System Train A Logic. When the  ;

w Isvstem was returned to service safety injection was initiated. The safety  ;

! ti!2i l iniection was terminated and new procedures were written to keep this in-tit.i tcident from occurring again.

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