05000324/LER-1980-049-03, During High Drywall Pressure Channel Calibr & Functional Test,Pressure Switch Actuation Found Out of Tolerance.Caused by Instrument Drift. Switch Recalibr & PT 1.1.3PC Completed Satisfactorily: Difference between revisions

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{{Adams
#REDIRECT [[05000324/LER-1980-049-03, /03L-0:on 800701,during Performance of High Drywell Pressure Channel Pressure & Functional Test, Technicians Found Pressure Switch 2-C72-PS-N002B Actuating Out of Tolerance.Caused by Instrument Drift]]
| number = ML19344A423
| issue date = 08/12/1980
| title = During High Drywall Pressure Channel Calibr & Functional Test,Pressure Switch Actuation Found Out of Tolerance.Caused by Instrument Drift. Switch Recalibr & PT 1.1.3PC Completed Satisfactorily
| author name = Tollison A
| author affiliation = CAROLINA POWER & LIGHT CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
| docket = 05000324
| license number =
| contact person =
| document report number = LER-80-049-03L, LER-80-49-3L, NUDOCS 8008200273
| package number = ML19344A410
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 1
}}
{{LER
| Title = During High Drywall Pressure Channel Calibr & Functional Test,Pressure Switch Actuation Found Out of Tolerance.Caused by Instrument Drift. Switch Recalibr & PT 1.1.3PC Completed Satisfactorily
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000324
| LER year = 1980
| LER number = 49
| LER revision = 3
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
{{#Wiki_filter:.
UPDATE REPORT LICENSEE EVENT REPORT PREVIOUS REPORT DATE 7-17-80 CONTROL BLOCK: [l l
l l
l lh (PLEASE P lNT OR TYPE ALL REQUIRED INFCRMATION) 1 6
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8 9 LICENSEE CODE M
15 LICENSE NUVSER 25 26 LICENSE TYPE 40
$7 CAT SS CON'T l L Ql 0 l 5 l0 l-l0 l 31214 @l01710 l1 l 810 l@l 01 81 il 2l 8l Ol@
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8 60 61 OOCK ET NUMSEM 6a 69 EVENT OATE 74 75 REPORT OATE 80 EVENT DESCRIPTION AND PROSABLE CONSEQUENCES h l 0121 l During the performance of High Drywell Pressure Channel Calibration and Functional l
lT751 l Test, PT 1.1.3PC. I&C Technicians found pressure switch 2-C72-PS-N002B, model l
f7TTl Inumber 12N-AA4-X10TT, actuating out of tolerance.
The switch actuated at 56.3 l
l inches of water applied while the reportable limit is greater than 55.36 inches l
0 5 [TTs''l I of water applied. The event did not affect the health or safety of the public.
l 0 7 l l
I ITTi1 I 80 7
8 9 OE OE S 8C E COMPONENT CODE SUB O'E SU E
E l s I D I@ 1.fJ@ LcJ@ I r l N i s l T l a l U l@ Ls.J@ 12J @
7 8
9 10 it 12 fJ 18 t9
'O SEOUENTIAL OCCURRENCE REPORT REVISION 1 E R/8to EVENT vliAR REr 0RY NO.
CODE TYPE N O.
@, yuEE l 810l l-l l 014191 l/l 10l3l lL l l-l [1]
at a
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33 J4 35 36 37 40 43 42 43 44 47 CORRECTIVE ACTIONS h CAUSE DESCRIPTION AN :
l i l 0 l l Instrument drift caused the pressure switch to be out of tolerance.
The switch was re-1 l calibrated and PT 1.1.3PC was completed satisfactorilv.
A review of the m st tvn mr I i
l history of this nodel oressure switch showed no unusuni or reportable characteristics: I i 2 y ltherefore, this is considered an isolated event with no further action recuired.
I y l These switches are functionally tested monthlv and calibrated everv three nenths.
I 80 7
8 9 SA
% POWER OTHER STATUS Q15 O RY DISCOVERY DESCRIPTION li l 5 l [H_J@ l 0l Ol O!@l N/A l
lBl@l Periodic Test l
Co'N TE NT AMOUNT OF ACTIVITY @ l LOCATION OF RELEASE @
ACTIVITY RELEASED cP RELE ASE N/A l
N/A l
[i_16,] l Z l @ l Zl@l 7
8 9 10 11 44 45 80 PERSONNEL E XPOSURES FTTl 10 l 010 l@l z !@OESCRIPTION NUM8ER T*PE l
N/A l
, RSO~~E L.N,u'4 E S OoGRi,0~@
~uM8E R 10 l 0 ! 01@L N/A I
i a 80 7
8 9 11 12 LOSS OF OR OAMAGE m F A*'tLITY Q TYPE C E SCRIP 7lC',
v LzJ@l N/A l
i 9 80 7
8 9 to PU8UC17Y f.~%
NRC USE ONLY ISSUED @DESCRIPTtoret/*
lNl l
N/A I
IIIIIIIIlllll2 2 o 8008200 273 2
* S
'a A. C. Tollison, Jr.
PHONE:
8 ME OF P'7 PARER
}}
 
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Latest revision as of 08:22, 31 December 2024