05000416/LER-1983-052-03, /03L-0:on 830411,while Reviewing Vessel Head Installation Work Package,Discovered Head Flange/Vessel Flange Thermocouples Not Physically Reinstalled During Insulation Installation.Cause Under Evaluation

/03L-0:on 830411,while Reviewing Vessel Head Installation Work Package,Discovered Head Flange/Vessel Flange Thermocouples Not Physically Reinstalled During Insulation Installation.Cause Under Evaluation

ML20023D477
Person / Time
Site:	Grand Gulf
Issue date:	05/11/1983
From:	Rohrer M MISSISSIPPI POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20023D466	List: 05000416/LER-1983-052, Forwards LER 83-052/03L-0
References
LER-83-052-03L, LER-83-52-3L, NUDOCS 8305200532
Download: ML20023D477 (1)

LER-1983-052, /03L-0:on 830411,while Reviewing Vessel Head Installation Work Package,Discovered Head Flange/Vessel Flange Thermocouples Not Physically Reinstalled During Insulation Installation.Cause Under Evaluation

Event date:
Report date:
4161983052R03 - NRC Website

text

~

~

NRC eoRM aos u. s. seUCLEAm REGULATORY COMME 354000 T"..

LICENSEE EVENT REPORT Attachment to AECM-83/0275 Page 1 of 1 CONTROL SLOCK: l l

l l

l l lh (PLEAM PRINT OR TYM ALL RE2UIRED INFOIMATIOfel 9

6 l #4 SI d sI d il@l o I ol -I ol o I d o I ol -I d o l@l 4 l 11 1 l 11 1l@l I

l@

O i 7

8 9 LICENSEE CODE 14 iS LICENSE NuMSER 2S 26 LICENSE TYPE JO 57 CAT se CON'T l'"C'I Ll@l 01 $ 01 0101 4 11 6 @l 014 l 1l 11 d 3l@Lol d il il 81 3l@

O i 7

8 60 El DOCKET NUMDER E

89 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROSABLE CONSEQUENCES h O 2 lun Anril 11. 1983. while reviewina the vessel head installation work I

l

~

l loackage the 18cc Superintendent discovered that the head flance/ vessel l

O 3 fflance thermocouples had not been physically reinstalled durina the 1

O 4 ITTiG linsulation installation.

Consequently, for approximately a 30 day l

O 6 leeriod the emerators were monitorina ambient air temmeratures.

The i

O 7 laurVe111ance requires verification that these temperatures are areater 1

O u Ithan cr soual to 70 decrees F in mode 4.

I 7

89 80 COOE SU8C E COMPONENT CODE Sus ode SU E

I Cl a l@ LD_J@ LzJ@ l zi z i zi z i zi r l@ W@ L2.J @

O 9 7

8 9

to 11 12 13 13 9

20 SEQUENTIAL OCCURRENCE REPORT REVISION LER RO EVENT YE AR REPORT NO.

CODE TYPE N O.

@,ag 181 31

[-_J l oisi 21 L/_j i ol 3 1 L'_J L-J Lo_J

_ 21 22 23 24 26 27 3

a 30 38 32 K N AC N

L NT HOURS SS IT FORM 8.

SV L1 MANUF CTURER lG_J@L.zJ@ @5 L _zJ @ 37l o I of o I of lY_j@ Wg LZj@

l Z l 9l 9 l 9l@

33 34 3

36 de 4i 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h M IThe cause is still under evaluation.

The flance thermocouples have beeni i i treinstalled.

A follow-up report is expected to be submitted by May 30. I l

i 2 11983.

This is considered an interim report submittea pursuant to T.S.

l l

i 3 l 6.9.1.1.3.b as the surveillance requiremerats of Technical Specification l

l i 4 14.4.6.1.4 were not actually met.

I 7

8 9 30 STA S

% POWER OTHER STATUS SO R JeSCOVERY DESCRIPTION E LsJ@ loIoIel@l m

I La l@l nrt Packai wie=

l "JnviTY CanNT AMOuNTO,ACuviTY. @ i LOCA00N OF REuASE @

REu ASE@o OP REu ASEL_z )@l m L.z_l Ie i

'i s

' nRSO~~a n,053ES OESCRi,T,0 @

~u,,.E R Tvn I o l o l el@L_J@l =

I i 7

,ERSO~~E L i~;u'R$ ES OESCRe,TiO~@

~uM.ER 8 lololol@lm 1

7 8 9 n

$2 8305200532 830511 80

', 5,5,0' g7,^,yg C'LITY @

PDR ADOCK 05000416 S

8 Lu@la I

r 7

H 9 to 80 DE RIPTBON ISSUUE@lm L

i lllll11lll111 2 o A

N 9 80 68 69 80 E

~~

0 i

NAME OF PREPARER M-V.

Rnbror PHONE' "3

J