05000324/LER-1980-088-03, /03L-0:on 801028,during Checks on Reactor Low Water Level Numbers 2 & 3,found Low Level Switch 2-B21-LIS-N031D-3 Actuated at 118 Inches of Water.Caused by Instrument Drift.Switch Recalibr

From kanterella
(Redirected from ML19345A924)
Jump to navigation Jump to search
/03L-0:on 801028,during Checks on Reactor Low Water Level Numbers 2 & 3,found Low Level Switch 2-B21-LIS-N031D-3 Actuated at 118 Inches of Water.Caused by Instrument Drift.Switch Recalibr
ML19345A924
Person / Time
Site: Brunswick 
Issue date: 11/17/1980
From: Tollison A
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345A922 List:
References
LER-80-088-03L, LER-80-88-3L, NUDOCS 8011250417
Download: ML19345A924 (1)


LER-1980-088, /03L-0:on 801028,during Checks on Reactor Low Water Level Numbers 2 & 3,found Low Level Switch 2-B21-LIS-N031D-3 Actuated at 118 Inches of Water.Caused by Instrument Drift.Switch Recalibr
Event date:
Report date:
3241980088R03 - NRC Website

text

G 7H -

  • LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFO %MATION) l 6

F T 1 1 N l C l B l r l P l 2 l@l 0 l 0 l - l 0 l 0 l 0 l 0 l 0 l - l n l 0 l@l 4 l 1 l 1 l 1 l 1 l@l l

l@

7 8 9 LICENsEF CODE 34 IS LICEN5E NvVSER as 26 LICENSE TvPE 40 St 6Ar $6 CON'T g 101il W,"[ "c'iL]@l 0 l 5 l 0 l-1013 l 2 l 4 l@l 110 l 218 l 8 l 0 l@l 11 il 11718 l 0 l@

7 6

60 61 DOCKET NUVSER

&l 69 EVENT D ATE 74 7S REPORT QATE 80 EVENT DETORtPTION AND PROS ABLE CONSEQUENCES h During the performance of Reactor Low Water Level Nos. 2 and 3 Channel Calibration l

O 2 l

ITTil I and Functional Check, low levelswitch 2-B21-LIS-NO31D-3 actuated at 118" of water l

applied while the reportable limit is >117.18" water applied. A check of the j

o 4 l

This event did not affect the j

g ( other level switches did not reveal any problems.

h 1

g t ealth or safety of the public.

I ITTTII Technical Specifications' 3.3.3, 6.9.1.9a l

, o,a j i susEo'E sS$'oE E'E CCoY s8C$E CowonEnT COoE [o_L9_j lIl B l@ [@ J@ l Il Nl Sl Tl Rl Ul@ l S l@ W @

F e

9 to 12 83 18 19 20

~

sEOVENTIAL OCCURRENCE REPORT REVislON LER EVENTYEAR REPORT NO.

CODE TYPE NO.

@,ajog/ROl 8! 01 l-l l 01 81 si -

l-l l0l3l It I l-l ULJ

_ 21 22 23 24 26 27 23 29 30 31 32 N ACT C ONP T

ME HOURS 22 s8 i F A 9.

sVPPi lE R MANUF CT RER l Elgl34Cl@

l Zl@

l Z]@

l0l0l0l0l l Nl@

lYl@

l Nl@

l Y l 0 l l l O l@

3S 36 37 40 48 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i 101 l Instrument drif t was determined as the cause of the event.

The switch vu l

gl recalibtated according to an approved procedure and returned to normal service.

I gl This type of level instrument will be replaced with analog-tvoe instrumentation I

gl during a future outage. These instruments are functiotally checked monthlv and l

i i4 i i calibration checked quarterly.

l 80 7

8 9

's'r#'Es*

OTNER status @oisEOS50v' oisCOvERY OEsCRiPTiON @

A sPCatR li15l W @ l0l0l0l@l N/A l

l B l@l Periodic Test l

COTTENT ACTIVITY RELEAsEO OF RELE AsE AMOUNT OF ACTivlTv LOCATION OF RELE ASE ITTil l Z l @ W@l N/A l

[

N/A l

PERSONNEL ExPOsuAEs NUMSER TYPE

DESCRIPTION

y l0]0l0l@lZl@l

?!/A l

PERsONNE L INJURIES NUVSE R

DESCRIPTION

fGT110l0l0l@l N/A l

80 7

8 9 11 12 Loss Of CR DAMAGE TO FAC4LtTY TYPE OEsC A'PTION 11191 l Z l@l N/A l

l 80 7

6 3 10 issued @ DESCRIPTION W

l N/A l

l l l l l l l l l l l l-l }

l.

2 O a o

.0. s g $,1dfq7

,0

. C. Tollison, Jr.

nem

,,cy,;

,,,, o,,