05000348/LER-1979-025-03, /03L-0 on 790623:during Surveillance Test FNP-1-STP-256.11 Both Source Range Channels Inadvertently Were Deenergized. Caused by Procedure Deficiency. Power Restored & Procedure Changed

/03L-0 on 790623:during Surveillance Test FNP-1-STP-256.11 Both Source Range Channels Inadvertently Were Deenergized. Caused by Procedure Deficiency. Power Restored & Procedure Changed

ML19224D800
Person / Time
Site:	Farley
Issue date:	07/09/1979
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19224D791	List: 05000348/LER-1979-025-03, /03L-0 on 790623:during Surveillance Test FNP-1-STP-256.11 Both Source Range Channels Inadvertently Were Deenergized. Caused by Procedure Deficiency. Power Restored & Procedure Changed ML19224D790
References
LER-79-025-03L, LER-79-25-3L, NUDOCS 7907170059
Download: ML19224D800 (1)

LER-1979-025, /03L-0 on 790623:during Surveillance Test FNP-1-STP-256.11 Both Source Range Channels Inadvertently Were Deenergized. Caused by Procedure Deficiency. Power Restored & Procedure Changed

Event date:
Report date:
3481979025R03 - NRC Website

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HEPGHT DAT E 50 cm ac cmruc.s,.a Paon Aat u cor.sEcuENcu @

g ] [At 1357 on 6-23-79, during the performance of surveillance test FNP-1-STP-256.ll, l

p q l(Reactor Trip and ESFAS Response Time Test), both source range channels were inadvertegel j.de-energized due to a deficiency in the procedure.

Tech. Spec. section 3.3.1.1 and j n

ois [ Table 3.3.2 requires a minimum of one channel to be operable in Mode 5.

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g ; range channels were restored to operation in approxicately one minute. The health and[

a;7 l safety of the public were not affected.

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i lran y channels indicating greater than or equal to 10% power.

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