ML19207B453

LER 79-023/03L-0 on 790724:during Surveillance Test,Diesel Generator 1 Output Breaker Failed to Close When Control Switch Was Actuated.Caused by Sticking Pinion on Air Motor. Pinion Assembly Cleaned,Exercised & Satisfactorily Tested

Date released: 08/09/2019	Download: ML19207B453

LER 79-025/03L-0 on 790624:during Records Review,Biasing Circuit for Channel 2 Temp Change Signal Summator Produced Output Signal Setpoint Approx 25 Degrees Too Low. Caused by Failure of Instrument Loop Signal Summator

ML19207B458
Person / Time
Site:	Beaver Valley
Issue date:	08/23/1979
From:	Werling J DUQUESNE LIGHT CO.
To:	GRIER B H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
Download: ML19207B458 (1)

LER 79-023/03L-0 on 790724:during Surveillance Test,Diesel Generator 1 Output Breaker Failed to Close When Control Switch Was Actuated.Caused by Sticking Pinion on Air Motor. Pinion Assembly Cleaned,Exercised & Satisfactorily Tested

ML19207B452
Person / Time
Site:	Beaver Valley
Issue date:	08/23/1979
From:	Werling J DUQUESNE LIGHT CO.
To:	GRIER B H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
Download: ML19207B452 (1)