05000325/LER-1980-070-03, /03L-0:on 800828,during Normal Operation,Several Alarms Received from Diesel Generator 1.Cause Not Determined.Alarm Relays Reset,Generator Tested & Returned to Svc.Update Rept to Be Submitted Upon Discovery of Cause

/03L-0:on 800828,during Normal Operation,Several Alarms Received from Diesel Generator 1.Cause Not Determined.Alarm Relays Reset,Generator Tested & Returned to Svc.Update Rept to Be Submitted Upon Discovery of Cause

ML19347A957
Person / Time
Site:	Brunswick
Issue date:	09/24/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19347A946	List: 05000325/LER-1980-070, Forwards LER 80-070/03L-0 05000325/LER-1980-070-03, /03L-0:on 800828,during Normal Operation,Several Alarms Received from Diesel Generator 1.Cause Not Determined.Alarm Relays Reset,Generator Tested & Returned to Svc.Update Rept to Be Submitted Upon Discovery of Cause
References
LER-80-070-03L, LER-80-70-3L, NUDOCS 8009300568
Download: ML19347A957 (1)

LER-1980-070, /03L-0:on 800828,during Normal Operation,Several Alarms Received from Diesel Generator 1.Cause Not Determined.Alarm Relays Reset,Generator Tested & Returned to Svc.Update Rept to Be Submitted Upon Discovery of Cause

Event date:
Report date:
3251980070R03 - NRC Website

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LICENSEE EVENT REPORT.

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UCENSEE CODE 14 IS UCENSE rdVMhER 2S 26 L8 CENSE TYPE JO 67 3

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8 60 El DOCKET.NUMS ER 68 69 EVEN T DATE 74 7S REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lDuring normal plant operation, the following s1.&s were received concerning the No.11 O 2 1013Il Diesel Generator: " Diesel Generator Not Available," " Diesel Generator Tripped,"

l 1014 l l" Differential Over Current Trip," and " Diesel Generator No. 1 to Bus El Tripped." In l 1oIsl l addition, the No. 1 Diesel Generator " Low Lube Oil Pressure," " Low Jacket Water Pres-l o o Isure," and " Generator Overcurrent" alarms were received locally. No.1 Diesel Genera-l 10171 l tor was declared inoperable. This event did not affect the health or safotv of the i

IOiel Ipublic.

Technical Specifications 3.8.1.1. 6.9.1.9b l

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10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER RO EVENT YEAR REPORT NO.

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l G l 0 l 8 l 0 lg 33 J4 3S 30 37 40 44 42 43 44 gy CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h ItiOIlAn extensive investination failed to determine a cause for this event. All the alarm l m Irelays were reset and the diesel generator was tested and returned to satisfactory l

g l operation.

In addition, Diesel Generators Nos. 2, 3, and 4 were checked for similar g l symptoms and none were found. Periodic mon'itoring of all Diesel Generators will con-l m I tinue and a followup report will be submitted if an exact cause can be determined.

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DESCRIPTION

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8 9 11 12 80 LOSS OF OR DAv*GE TO FACILITY TYPE OESCRi# TION

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