05000348/LER-1983-001-03, /03L-0:on 830102,RCS Subcooling Monitor Channel 2 Declared Inoperable Following Receipt of Main Control Board Alarms.Caused by Faulty Printed Circuit Card.Connector Pins on Card Cleaned

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/03L-0:on 830102,RCS Subcooling Monitor Channel 2 Declared Inoperable Following Receipt of Main Control Board Alarms.Caused by Faulty Printed Circuit Card.Connector Pins on Card Cleaned
ML20028G311
Person / Time
Site: Farley 
Issue date: 01/28/1983
From: Hairston W
ALABAMA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20028G304 List:
References
LER-83-001-03L, LER-83-1-3L, NUDOCS 8302070620
Download: ML20028G311 (1)
v • d • e


LER-1983-001, /03L-0:on 830102,RCS Subcooling Monitor Channel 2 Declared Inoperable Following Receipt of Main Control Board Alarms.Caused by Faulty Printed Circuit Card.Connector Pins on Card Cleaned
Event date:
Report date:
3481983001R03 - NRC Website
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text

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U. S. NUCLE AR REGULATORY COMMISSION NRC FcRM 366 LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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8 9 LICENSEE CODE 14 lb LICENSE NUMBER 26 26 LICENSE TYPE JO

$ 7 CA T 68 CON'T IoI1I 7, "d l L l@l0 l 5 10 10 l0 13 14 l 8 l@l0 11 10 l2 18 13 l@l0l1l2l8l8l3l@

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60 61 DOCKET NUMBEH 68 69 EVENT DATE 74 76 HEPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h ht 0445 and 1545 on 1/2/83. Reactor Coolant System Subcoolina Monitor channel 2 I

O 2 LO_13_J fias declared inoperable followina the receipt of main control board alarms.

Tech.

I i Spec. 3.3.3.8. in part, requires the RCS Subcoolina Monitor channel tO be operable.

1 O 4 l Tech. Spec. 3.3.3.8 action statement requirements were met.

Health / safety of the j

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lo_16 J Lpublic was not affected.

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to 11 12 13 18 19 20 SEQUENTI AL OCCUR RE NCE HLPORT REVISION L

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43 44 47 42 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l1 l O 1 I These events were attributed to a faulty printed circuit card. The connector ains l

Li_I_i J l on the card were cleaned and the RCS Subcooling Monitor channel 2 was returned to 1

I service at 1520 on 1/2/83.

Following the second occurrence, the card was replaced I

, 2 t i l a l l and upon satisfactory performance of FNP-1-STP-201.32A (Core Cooline Moni tor i

1 Channel Check), RCS Subcooling fionitor Channel 2 was declared ooerable at 0007 on l

i 4 So 9Ig83.

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I NAME OF PitEPAnEn PHONE-

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