05000348/LER-1981-030-03, /03L-0:on 810505,B1F Sequencer Failed to Meet Time Requirements for Picking Up Step 6 During Testing. Caused by Agastat Timer Being Out of Adjustment.Timer Setpoint Adjusted

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/03L-0:on 810505,B1F Sequencer Failed to Meet Time Requirements for Picking Up Step 6 During Testing. Caused by Agastat Timer Being Out of Adjustment.Timer Setpoint Adjusted
ML20004E194
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 06/05/1981
From: Hairston W
ALABAMA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20004E191 List:
References
LER-81-030-03L, LER-81-30-3L, NUDOCS 8106110325
Download: ML20004E194 (1)


LER-1981-030, /03L-0:on 810505,B1F Sequencer Failed to Meet Time Requirements for Picking Up Step 6 During Testing. Caused by Agastat Timer Being Out of Adjustment.Timer Setpoint Adjusted
Event date:
Report date:
3481981030R03 - NRC Website

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63 68 CoCxif NuvaEa 68 63 (VENT C ATE 74 75 AE70AT OATE 53 EVENT OESCRIPTION AND PRO 3ASLE CONSECUENCES h lo 2i l At 0800 on 5/5/81, while performing FNP-1-STP-28.2 (Diesel Generator 1-2A operability l 1o ia! I test), the BlF sequencer failed to meet the ti=e require =ents for picking up s p 6.

l lo val l Tech. Spec. 3.8.1.1 requires two separate, independent emergency power sequencers to be [

[oesl I operable. Tech. Spec. 3.8.1.1 action requirements were cet. A similar occurrence.vas l lo ts l l reported in LER 81-020/03L-0. Health / safety of the public was not affected.

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40 41 42 43 14 47 cause cEsCRIPTION AND CORRECTIVE ACTIONS h l i l o l l The event was caused by the agastat timer being out of adjustment. The agastet ticer [1 6: l l setpoint for step 6 was adjusted and following the successful cosp Mtion of the sur-l

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