05000364/LER-1981-018-03, /03L-0:on 810602,while Performing Steam Generator 2C FT-495 Loop calibr,FT495 Instrumentation Loop Was Declared Inoperable.Caused by Faulty Comparator Card.Card Was Replaced

/03L-0:on 810602,while Performing Steam Generator 2C FT-495 Loop calibr,FT495 Instrumentation Loop Was Declared Inoperable.Caused by Faulty Comparator Card.Card Was Replaced

ML20005A363
Person / Time
Site:	Farley
Issue date:	06/02/1981
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20005A361	List: 05000364/LER-1981-018-03, /03L-0:on 810602,while Performing Steam Generator 2C FT-495 Loop calibr,FT495 Instrumentation Loop Was Declared Inoperable.Caused by Faulty Comparator Card.Card Was Replaced 05000364/LER-1981-020-03, /03L-0:on 810530,RCS Leakage Test Had Not Been Performed within Time Interval Specified by Tech Specs. Caused by Personnel Error.Supervisory Personnel Have Been Instructed to Insure That Tests Are Performed ML20005A360
References
LER-81-018-03L-01, LER-81-18-3L-1, NUDOCS 8106300249
Download: ML20005A363 (1)

LER-1981-018, /03L-0:on 810602,while Performing Steam Generator 2C FT-495 Loop calibr,FT495 Instrumentation Loop Was Declared Inoperable.Caused by Faulty Comparator Card.Card Was Replaced

Event date:
Report date:
3641981018R03 - NRC Website

text

l.lbclNOCC CV C11 P r1Cr"Ut14 cot 4TR!L SLOCK: l l

l l

l l

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI j

I 6

% l A l L l J l M lF l2 l@l 0 l 0 l-l 0 l0 l0 l0 l0.l - l 0 l 0 l@l 4 l 1 l 1 l 1 l 1 [@l l

lg i

8 9 uCEN5E8CCOE 14 it UCENSE NUMBEa 23 25 uC3NSE TYPE 40

,57 CAT 54

[%

"'[RCE =lL @l 0l 510 l 0 l0 l3 l6 l 4 @l 0 l 6 l0 l2 l8 l 1 @ lnle;l"> la I 81 Il @

o F

4 60 65 CoCKET NUMBER 6d 69 EVENT OATE 74 75 REPORT CATE 30 EVENT DESCRIPTION AND PROBABLE CONSECUENCES h l o i 21 l At 1430 on 6/2/81, while perfcumiing FNP-2-STP-213.4B (Steam Generator 2C FT-495 Loop l

.io,3, l Calibration). The FT495 instrumentation loop was declared inoperable when it failed to l

. g o,, ; l meet the surveillance test voltage requirements. Tech. Spec. 3.3.1, in part, requires l

~lo#5l l the FT495 instrumentation loop to be operable. Tech. Spec. 3.3.1 action statement l

'Io is l l requirements were met.

Health / safety of the public was not affected.

f

^ 10 6 71 l l

lois ! I I

80 7

4 3 00 COE

$U C E COMPCNENT CODE sua c'E su E

l3Ial l Il Al@ l E l@ lG l@ lI lN lS lT lR l U l@ lT l@ l Z l @

7 4

9 10 1

12 13 is 19 20 SEQUENTtAL OCCURRENCE REPORT REVISION EVENT YE AR REPORI No.

CCCE TYPE No.

h lLERIRO8l1l l-l l0l118l l/l l0l3l l Ll l-l l0l uug

_ 28 22 23 24 26 27 28 29 30 31 32 NEN ' ACE o'd/ET 87EITEo" wouRs @ *s'sEIT/EE PEAIA M

C EH S.

$PL

,77

(

l A l@l Zl@

l Z l@

l Z l@

l 0 l 0 l 010 l l Nl@

lNl@

lN l@

lU l1l2 l0 f 33 J4 JS 36 34 40 48 42 43 44 47, CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h I i ; o l l Investigation of the out of Spec. voltage condition revealed a faulty comparator card.

l [TQ[ The card was replaced and following the successful completion of the calibration proce-l lt t211 dure. instrumentation icon FT'495 was returned to service at 1530 on 6/2/81.

l i 131 l l

EI I

7 2 3 80 A

'n POWER CTHER STATUS 015 O RY OlsCCVERY OESCRIPT!oN NA l

l B l@l Surveillance Test l

I1 i5 l Wh l 0l 3 l 2 l@l 7

4 8

12 13 44 45 46 80 moveror ACTiviTv h l LocAriosCFRELEAsfh RELE4sfo oP aELEAst NA l

NA l

,l t l6 l l Z l @ lZ l@l 7

4 9 10 11 44 45 30 PERSCNNEL EXPOSURES NUM86R TYPE DESCRIPT1oN

=

I i I 7 I l 0 l 0 i 0 !@[I_J@L NA PERseNNE't iN2URiEs oEsCRiPTioNh NuusER NA I

li ! a l 1010101@l ne@se-e P0;R OR GINAL "l

fr,9] W l

NA 7

8 9 to 3C PL8LICtTY NRC USE CNLY sty;EO

DESCRIPTION

.l2lol l

NA IIIIIIIIIIIII 7

8 9 10 63 59 40 8106800khh

1. 7"5\\*

~5'5A