ML19262B996

LER 79-066/03L-0:on 791220,while Performing Surveillance One Containment Pressure Channel Declared Inoperable Due to Faulty Connection in B Train Sodium Selection Panel Input Cabinet 1.Caused by Contact Film Build Up

ML19262B996
Person / Time
Site:	Farley
Issue date:	01/16/1980
From:	ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19262B992	List: ML19262B991 ML19262B996
References
LER-79-066-03L, LER-79-66-3L, NUDOCS 8001220393
Download: ML19262B996 (1)

Text

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NRC F ORM J66 U. S. NUCLE AR REGULATORY COMMISSION (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLE ASE PRINT OR TYPE ALL REQUIRED INFORIGATION) o i l al T I JI Ml F 1l@l0 l O l -l 0 l LICENSE 0 l 0NUMBERl 0 l 01 - l 0 l 250 @l 4 LickNSE l1 Il IlTYPE l 1Jol@l57 l CATSd l@

7 3 'J L.CENSEE CODE 14 15 26 CON'T 0 1 Sf;RCE kl@l n l S l 0!01013l418 @l1121') l o l 7 l o l@l 01 il il 6l R l n80l@ 74 75 7 4 60 63 DOCKET NUMB ER 68 63 Ev6 NT DATE REPORT DATE EVENT DESCRIPTION AND PROS ABLE CONSEQUENCES h o 2 l At 1032 en 12/20/79, sile cerforminc surveillance test FNP-1-STD-220 1B. ene cen*,4 o 3 I ment press =e channel (PT950) was declared increrable due to a faul+,f cerroc* inn in I o 4 "B" train S5PS input cabinet 1. Tech. Stec. 3.3.2.1, in part, requires 4 containment!

,is l pressure c'2nnels to be operable. Tech. Scec. 3.3.2.1 action statement recuiremants I o is I were met.  ?.e protective " unction, if recuired, would have been initiated frem the I oi7 l "A" train SSOS. Health and safety of the public ware not affected by this event. I ois I l 7 S 9 80 S v iTE *,1 C A'JS ! CA.SE COYP. VA LV E

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l) l Faulty comection is n'c-ibutable to a mn'_ac" fit EnM d-uo. 'Twe fnm my ruw .nd . I i ii I the STP re-cer#c: red, a .d 9.e channel was mtead te gem 4- e li no on 12/20/79. Thd

, [ STP will he revised to recuire using a hicher current resistance measurement device I

,i3 l which will eliminate the contact film build-up. l til4t1 i 7 8 9 80 F ACl(liv \tETHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCR PTION 3+

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