ML19256B824

Site Problem Rept 193:Loop a Hot Leg Resistance Temp detector,RC-4A-TE2 Used in Reactor Protection Sys Had Drifting Temp Indications Vs Stable Readings of Remaining Resistance Temp Detector in Loop A.Detector Replaced

ML19256B824
Person / Time
Site:	Crane
Issue date:	10/09/1978
From:	Fulcher J, Pletke L, Wilson W BABCOCK & WILCOX CO.
To:
References
TASK-TF, TASK-TMR 193, PROB-781009, NUDOCS 7909140345
Download: ML19256B824 (1)

Text

QL.._.........

.-." '. : ~ ~~~'~~~. *~L._

.. ~. T - ~........ - --........: = - : ~.

BWNP-20344-1(8-78)

D SITE PROBLEM REPORT RESOLUTION TRANSMITTAL File; 13-oG - 193 Change Control

_For Distribution S. H. K1ein For Information Contract No.:

520-00 o c.

'SPR Number:

N3 kco O

8. A. Karrasch For Information AC. cwMd (RTB)

Title:

L. C.. fceges For Action 3.th. 6 L p luv b All Affected Task Engineers L. cop A w

L..R. 9 b ( b c For Information h.h.C.e do ne s All Affected Engineering Status Code: M Unit Managers Date Of Transmittal: /o//2/M O.onRequested:

L. c. Esecs is,ec<,es <c) 4 %n ele ada es i

g M

b-0 Reply and Return This Transmittal to:

Nuclear Service Support Engineer CC:

J. R. Bohart - International Support P. E. Perrone- 0FR L. C. Rogers - TMI Site 1916 235 O

=;..

PDS-21091 -5 ( 8 -7 6 )

i SITE PROBLEM REPORT

/?

BABCOCK & WILCOX

.e x:.;_.<

--ewe,-,:r m r

..--=.-r=12 :,r2m:: - nm.c.m.m.em pAiE 00C.ID. CONF.No.

SPR h0.

R E v. H U.

R Cu 5 T0",E R ORIGlMpt fp7/78 13 620-Coc6 193 0

e Jersey Central L. Ronti e PANI NO./IASK N0 GROUP t.0.

SEQ. HJ.

O P.A.

NO.

VEH00R PAV - BCCo PROBLEH CONTACT fpj TITLE (HAX 30 CHARACTERS)

R. Tatorre A s RC Outiet (RTU) Loco A

-- :::.=

DESCRIPTION OF PROBLEH:

Loop A hot leg temperature RTD (RC 14A-TE2), which is used in t. e RFS, of the had drifting temperature indications versus the stable readin(;t re aining RTD 's in Loop A D

-r*

~_

m

~%

-e 5

STATUS-ACTION TO DATE, INCLUDietG PERSONS CONTACTED:

Signals from this two-element sensor (the other being used for I!!!I)

E Concurrenc e were switched to provide the RPS with a reliable signal.

for this action was obtained from K. Wandling and L. McBee.

FURTHER ACTION RECOMMENDED BY SITE PERSONNEL:

This action Replace the RTD with a spare RTD during the next outace.

concurred by R. Vosburgh.

~.:=..

[

fg g

f RESOLUTION:

4 g

[se *, (C ykq I?."T b )

E DATE DATE APPROVED BY B

A PREPAR(UD LL-mM/vn E

5t 5 D NS W &w %%

"NNr bob %N

' Ifl75 COST CAIECORY FIELD CHANGE REQ F.C. A. NO.

SIGHlf. DEFICIENCY g

////

, OYES NO NORH OTHER O OYES NO 6 og-DEVI All0NS:

SITE ConPLLil0M REPORI:

O FONE SPR REV NO. [~)

DATE CCHPLETED:

COMPLETED BY DATE O

E 1916 236 a

U