05000348/LER-1980-044-03, /03L-0:on 800723,during Surveillance Test,Diesel Generator 1C Failed to Reach Rated Speed & Voltage & Was Declared Inoperable.Cause Under Continued Investigation

/03L-0:on 800723,during Surveillance Test,Diesel Generator 1C Failed to Reach Rated Speed & Voltage & Was Declared Inoperable.Cause Under Continued Investigation

ML19331D350
Person / Time
Site:	Farley
Issue date:	08/22/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19331D347	List: 05000348/LER-1980-044, Forwards LER 80-044/03L-0 05000348/LER-1980-044-03, /03L-0:on 800723,during Surveillance Test,Diesel Generator 1C Failed to Reach Rated Speed & Voltage & Was Declared Inoperable.Cause Under Continued Investigation
References
LER-80-044-03L, LER-80-44-3L, NUDOCS 8009020068
Download: ML19331D350 (2)

LER-1980-044, /03L-0:on 800723,during Surveillance Test,Diesel Generator 1C Failed to Reach Rated Speed & Voltage & Was Declared Inoperable.Cause Under Continued Investigation

Event date:
Report date:
3481980044R03 - NRC Website

text

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60 48 DOCK E T NUM8 E R 68 69 EVENT DATE 74 75 REPORT OATE 80 E'. i'.T OESCRIPTION AND PROBABLE CONSEQUENCES h 3l At 0730 on 7/23/80, diesel generator (D.G.) 1C was declared inoperable l O 3 I when it failed to reach rated speed and voltage (13.5 seconds and 11.5 1 O o l seconds respectively vs. 10t1 seconds required).

Tech. Spec. 3.8.1.1, I

gl in part, requires D.G.

1C to be operable.

A similar occurrence was j

g i reported in LER 80-043/03L-0.

The health and safety of the public i

gI were not affected.

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47 CC SE DESCRIPTION AND CORRECTIVE ACTIONS FID'l I te cause for D.G.1C failure to reach rated soeul and mitam within the recuirnd I

i tim is under continued investication.

%is is the fourth TFR recor+nd nima Mwh I

i i i 2 1 31, 1980 on occurrences similar to this. We nu:Tber of days between starts seens to I 1 affect the start time.

D.G.1C will be started weekly until the cause is identified I i a gl and corrected.

D.G.1C was returned to service at 0745 on 7/23/80 following the l

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% POWE R OTHE R STATUS OlsCOVERY DISCOVERY DESCRIPTION 32 S T & *,,v

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G. Hairston, III PHONE. (20 5) 899-5156 NAr OFApfpARER

Cause Description and Corrective Actions - LER 80-044/03L-0... continued successful perfornance of the surveillance test. Seven tined starts on D.G.

IC since this incident have been performed successfully.

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