05000317/LER-1980-023-03, /03L-0:on 800430,channel B High Startup Rate Trip Failed to Function Per Tech Spec 3.3.1.1.Caused by Absence of Output Relay Actuation in Circuit Board A-9.Board Replaced W/Spare.No Preventive Action Necessary

From kanterella
(Redirected from ML19323D397)
Jump to navigation Jump to search
/03L-0:on 800430,channel B High Startup Rate Trip Failed to Function Per Tech Spec 3.3.1.1.Caused by Absence of Output Relay Actuation in Circuit Board A-9.Board Replaced W/Spare.No Preventive Action Necessary
ML19323D397
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 05/19/1980
From: Lagiewski J, Rizzo P
BALTIMORE GAS & ELECTRIC CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19323D394 List:
References
LER-80-023-03L-01, LER-80-23-3L-1, NUDOCS 8005210524
Download: ML19323D397 (1)


LER-1980-023, /03L-0:on 800430,channel B High Startup Rate Trip Failed to Function Per Tech Spec 3.3.1.1.Caused by Absence of Output Relay Actuation in Circuit Board A-9.Board Replaced W/Spare.No Preventive Action Necessary
Event date:
Report date:
3171980023R03 - NRC Website

text

... -

LICENSEE EVENT REPORT br' CONTP.0L BLOCX: l l

l l

l l lh

{PLEASE PRINT CR TYPE ALL REQUIRED INFORMATl!NI l

6 IO lil lM lD IC lC lN ll (@l Of 0l -l Ol 010101 O l -l Ol O l@l4 l1 11 11 l1 l@l l

l@

7 8 9 LICENSEE CODE 14 15 UCENSE NUM8ER 25 26 LICENSE TYPE 40 57 CAT 58 con'T lolil

"$7"C ll l@l 01 5101010131 1171@l 0141310181 Ol@l 015 ! 11918 l O l@

S 7

8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRl* TION AND PROBABLE CONSEQUENCES h IO12l IDURING THE PERFORMANCE OF SURVEILLANCE TESTING AT 0100 IT WAS FOUND THAT I

pit 37 I CHANNEL B HIGH START-UP RATE TRIP WOULD NOT FUNCTION PER T.S. 3.3.1.1.

THE I

IO i4 l lTHREE REDUNDANT CHANNELS REMAINED OPERABLE THROUGHOUT THE EVENT. CHANNEL 8 l

l 0 t s 1 lHIGH START-UP RATE TRIP WAS RETURNED TO SERVICE AT 0530. THIS IS NOT A I

I o is i IREPETITIVE EVENT.

I 10171 I I

I 10!811 C0o'E S8CO$E COMPONENT CODE SUSCOD'E SU E

COoE l019l il IC l@ LEj@ LGj @ l l I N l S l T l R I U l@ l XI@ LZ.j @

7 8

1' 10 11 12 13 18 19 20 LER/RO EVENT YE AR REPORT O ODE P

N.

@,aEg 1810l

[- ]

l012l3l l/l I 01 31 l Ll l--J 10 l 21 22 23 24 26 27 28 29 30 31 32 K f A

O ON PL NT ME HOURS 22 S 8 IT FOR 8.

SUPPLt MANUFACTURER lA l@l Z l@

l Z l@

LZ.j@

10101010l l N I@

l Yl@

INl@

l G l 21910 l@

33 34 36 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i i O 1 l CHANNEL B WIDE RANGE NUCLEAR INSTRUMENT BISTABLE PRINTED CIRCUIT BOARD A-9 l

1iiii IWAS FOUND TO HAVE NO OUTPUT RELAY ACTUATION. THE BOARD (MFR. P0. ELC 134-1 R11 1

,,i2i lWAS REPLACED WITH A SPARE. BECAUSE THERE HAS BEEN NO RECURRING FAILURES OF 1

iii3i ITHIS PART, NO PREVENTIVE ACTION IS PRESENTLY DEEMED NECESSARY.

I t i l 41 I l

"STSNIS

% POWER OTHER STATUS Q15 O RY DISCOVERY DESCRIPTION W [D_j @ l 0 1 0 l 0 l @ l NA l

l B l@l SURVEILLANCE TEST l

A!riviTY COATENT RELE ASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE li is I lZ l @ [Zj@l NA l

l NA l

7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

l i l 71 10 10 10 l@l Zl@l l

PERSONN E't iN;uWiES OESCRiPTiON@

NUM8ER li i a l 10 10 10 l@l NA l

[gS,0,ORO,2jAcE O FACluTV @

l l i 191 [7 J@l NA 7

8 9 10 go

[,,2 Loj dSuE @loESCRiPTiONO NRC USE ONLY iS l

NA l

lllllll1lllllj

_ o 68 69 80 3 l

7 8 9 10 l

J. S. LAGIEWSKI/P. G. RIZ70 PHONE: ( 301 M-47a7 /a7pe:

{

NAME OF PREPARER 8005210 M