05000348/LER-1981-017-03, /03L-0:on 810405,while Performing FNP-1STP-28.2, LOSP BIF Sequencer Failed to Meet Time Requirements for Picking Up Step 6.Caused by Agastat Timer Setpoint for LOSP BIF Sequencer Drifting Below Setpoint.Timer Adjusted

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/03L-0:on 810405,while Performing FNP-1STP-28.2, LOSP BIF Sequencer Failed to Meet Time Requirements for Picking Up Step 6.Caused by Agastat Timer Setpoint for LOSP BIF Sequencer Drifting Below Setpoint.Timer Adjusted
ML20003H987
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 05/04/1981
From:
ALABAMA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20003H971 List:
References
LER-81-017-03L, LER-81-17-3L, NUDOCS 8105080293
Download: ML20003H987 (1)
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LER-1981-017, /03L-0:on 810405,while Performing FNP-1STP-28.2, LOSP BIF Sequencer Failed to Meet Time Requirements for Picking Up Step 6.Caused by Agastat Timer Setpoint for LOSP BIF Sequencer Drifting Below Setpoint.Timer Adjusted
Event date:
Report date:
3481981017R03 - NRC Website
v • d • e

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8 60 68 DOCKET NUM3ER 68 69 EVF'T DATE 74 75 REPORT CATE 83 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h IO l2l l At 1855 on 4-5-81, while performing FNP-lSTP-28.2, the LOSP BIF sequencer failed to megj;j iO i3i l the time requirements for picking up step 6.

Tech. Spec. 3.8.1.1 requires two separate I io pi j independent emergency power sequencers to be operable. Tech. Spec. 3.3.1.1 action statel-g g ment requirements were met. The health and safety of'the. general public were not

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33 34 35 36 37 40 di 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTiowa 27 1 10 l l The agastat timer setpoint for the LOSP BIF. sequencer drifted below the setooint reouf redt it til I for picking up step 6.

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