05000311/LER-1981-081-03, /03L-0:on 810814,diesel Generator 2A Started Late During Sp.Caused by Turbo Boost Air Reservoir Down in Pressure Due to Sticking Hydraulic Unloader Valve on Air Compressor,Preventing Compressor from Charging Reservoir

/03L-0:on 810814,diesel Generator 2A Started Late During Sp.Caused by Turbo Boost Air Reservoir Down in Pressure Due to Sticking Hydraulic Unloader Valve on Air Compressor,Preventing Compressor from Charging Reservoir

ML20010E949
Person / Time
Site:	Salem
Issue date:	08/28/1981
From:	Dickey F Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010E947	List: 05000311/LER-1981-081, Forwards LER 81-081/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-081-03, /03L-0:on 810814,diesel Generator 2A Started Late During Sp.Caused by Turbo Boost Air Reservoir Down in Pressure Due to Sticking Hydraulic Unloader Valve on Air Compressor,Preventing Compressor from Charging Reservoir
References
LER-81-081-03L, LER-81-81-3L, NUDOCS 8109090171
Download: ML20010E949 (1)

LER-1981-081, /03L-0:on 810814,diesel Generator 2A Started Late During Sp.Caused by Turbo Boost Air Reservoir Down in Pressure Due to Sticking Hydraulic Unloader Valve on Air Compressor,Preventing Compressor from Charging Reservoir

Event date:
Report date:
3111981081R03 - NRC Website

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o l During the performance of surveillance procedure SP(O)4.8.1.1.2, on August 14, 1981,,j g g 2A diesel generator failed to meet the starting time requirements, $_10 seconds, of j gl technical specification 3.8.1.1.

The starting time was 12 seconds. At 0505 hours0.00584 days <br />0.14 hours <br />8.349868e-4 weeks <br />1.921525e-4 months <br />,j e e g August 14,1981, 2A diesel generator was declared inoperable and action statement l

n s l 3.8.1.1.a was entered and the provisions of the action statement were complied with.J EID I J

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x CAUSE DESCRIPTION AND COARECTivE ACTIONS h l _i l c l l The turbo boost air reservoir was down in pre- ;re because the hydraulic unloader j

i i l valve on the air compressor was qticking, preventing the compressor from chnraino J

gl the reservoir.

It was repaired.

The compressor was tested satisfactorily and I

gl returned to service. The surveillance was performed within starting time' require-I gl ments. At 0742, August 14, 1981, action statement 3.8.1.1.a was terminated.

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