05000325/LER-1979-093-03, /03L-0:on 791127,while Performing High Steamline Radiation Channel Alignment & Functional Test,Main Steamline Drawer B Was Out of Specs.Caused by Instrument Drift.Drawer Recalibr

/03L-0:on 791127,while Performing High Steamline Radiation Channel Alignment & Functional Test,Main Steamline Drawer B Was Out of Specs.Caused by Instrument Drift.Drawer Recalibr

ML19256G162
Person / Time
Site:	Brunswick
Issue date:	12/19/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19256G155	List: 05000325/LER-1979-093, Forwards LER 79-093/03L-0 05000325/LER-1979-093-03, /03L-0:on 791127,while Performing High Steamline Radiation Channel Alignment & Functional Test,Main Steamline Drawer B Was Out of Specs.Caused by Instrument Drift.Drawer Recalibr
References
LER-79-093-03L, LER-79-93-3L, NUDOCS 7912270541
Download: ML19256G162 (2)

LER-1979-093, /03L-0:on 791127,while Performing High Steamline Radiation Channel Alignment & Functional Test,Main Steamline Drawer B Was Out of Specs.Caused by Instrument Drift.Drawer Recalibr

Event date:
Report date:
3251979093R03 - NRC Website

text

17 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

@ NlClBlElPl1l@l 0l 0l d 0l 0 l 0 l 0 l 0 l-l n n l@l a l1 li l il@l l

l@

1 7

8 9

.lCENSEE CODE 14

5 LICENSE NLMeER 25 26 LICENSE TYPE JO 5 7 C A T 58 CON'T IoIiI Z l L l@l d SI01-1013121sl@l1 11 I, I, I 7 Io l@l 11 21 il of 71 o @

7 8

60 61 DOCKET NUV8ER i.4 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PRO 8 ABLE CONSEQUENCES h o

2 l k'hile performing PT 1.1.13P, High Steamline Radiation Channel Alien-ent 'ad I

o a i Functional Test, main steamline drawer "B" was out of specifications.

The drawer I

o 4

l was tripping at 1.76 x 10-10 amps; the limit is < 8.78 x 10-ll sos.

,,,a thn anewna I a

I setpoint was 7.03 x 10-11 ep s.

o 5 I o

e l o

7 l

ois l Technical Soecifications 2.2.1. 6.9.1.on 80 7

8 9 COUP VALVE SYSTEM

CAUSE

CALSE COCE CCCE SLBCCOE COYPCNENT CCDE SLeCOOE SUSCODE o

o i I l A l @ l Elh l G l h l I l N l 9 fr

'R I U lh l Y lh [Z_] h 7

8 9

10 11 12

3 td 13 N

REVIS*CN SECUENTI AL CCCURmENCE REPORT EVENT YE s a REPORT NO.

CCOE TYPE NO.

@,]Em anl,ga[

l 7! 9j l-l I 0l 9! 3l l/l l0l3l l Ll l-l l0l 21 22 23 04

.o 2

23 29 30 31 32 ACTION FUTLcE EFFECT 5*UTOC NN ATT ACHY E NT spnD4 8 AIVE COYn CCYPONENT T A K E *. ACTICN ON9LANT YETMCD WOLAS SL8vlTTED FOR*isLS, SLPPLIER VANLFACTUREA (z_J@lx.J@

L2.J@

Lz.J@

I ni nl al nl I vi@

Ivl@

Ld@

IcInleinl@

33 34 35 3

3' 40 41 42 43 44 47 CAUSE DEStRIPTICN AND CCARECTIVE ACTIONS i

o l The oroblem was attributed to instrument drift and the drnver was rec'14k-'toA '->

l 4

- 1

• I i

i i returned to service satisfactorily per PT 1.1.12PC.

Tk4c DT c,=

- n-4cn>

i 2 1 checking plate voltace on the voltace reenlator per veader rece--e-d'tfa.

'"b e I

i 3

l vendor has been recuested to suorlv site tecknic'1

<"ren" e7,1",*n m

- ~ nd -nd i

4 I

and ecuirr.ent.

A soare d*'ve* knc keaa at rchaend A 4 ak v411 111m fm- *ko -n-n"*G mlnt'c 80 7

8 9 ST S

% POWER OTHER STATUS iSCO RY DISCOVERY DESCRIPTION I

u I

bJ@L LaJ @ l 01 n a l@l Pe-w 4c re -

i s

7 8 9 13 12 13 44 45 46 80 ACTIVITY CCNTENT DELEASEC CF RE LE ASE AYCUNT CF ACTIVITY LOCATION OF RELE ASE Im I

L:.J @ Ld@l e

i e

7 8 9 10 11 44 45 90 PERSONNEL EXPCSURES NUM8ER TYPE C ESCRIPTICN l

l0l0l0 h d hl W

1 7

80 7

8 9 11 12 13 PERSCNNE L INJURIES NLYBER

DESCRIPTION

I loininl@l u

i a

7 8 3 11 12 80 792227o 5 # /

LOSS OF CA O AVAGE TO F ACILITY "c"'"'

~

iTlgi i

33 e

80 7

8 9 10 L2 LoJ [1f6l DESCRIPTION ISSUE l

l1lllllll1IkI NA 68 69

30..

F 8 9 to 919-457-9521

?

A. C. Tollison, Jr.

pyoyg NAME OF PREP ARER r

LER CONTINUATION - RO # 1-79-93 FACILITY: BSEP Unit No. 1 EVENT DATE 11-27-79 of a problem drawer for extended troubleshooting.

e 9

e 0

9 1645 027 r