05000348/LER-1979-029-03, /03L-0 on 790713:penetration Room Filtration Sys Trains a & B Inoperable.Caused by Train B Exhaust Fan Not Starting & Train a Suction Damper Not Opening.Overload Reset & Fuse Replaced

/03L-0 on 790713:penetration Room Filtration Sys Trains a & B Inoperable.Caused by Train B Exhaust Fan Not Starting & Train a Suction Damper Not Opening.Overload Reset & Fuse Replaced

ML19242D193
Person / Time
Site:	Farley
Issue date:	08/09/1979
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19242D181	List: 05000348/LER-1979-029, Forwards LER 79-029/03L-0 05000348/LER-1979-029-03, /03L-0 on 790713:penetration Room Filtration Sys Trains a & B Inoperable.Caused by Train B Exhaust Fan Not Starting & Train a Suction Damper Not Opening.Overload Reset & Fuse Replaced
References
LER-79-029-03L, LER-79-29-3L, NUDOCS 7908140673
Download: ML19242D193 (3)

LER-1979-029, /03L-0 on 790713:penetration Room Filtration Sys Trains a & B Inoperable.Caused by Train B Exhaust Fan Not Starting & Train a Suction Damper Not Opening.Overload Reset & Fuse Replaced

Event date:
Report date:
3481979029R03 - NRC Website

text

NR(

3GG U. s. NUCLEAR REGULATOHY COMMLSSloN (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l

lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATioN) 1 6

l A l 1. J l Ml Fl Il@l 0l 0l -l 0l 0l Ol 0l 0 l -l Ol Ol@l 4 l 1l Il Il 1l@l l

l@

o i

d 9 LICENSEE CCOg 14

S LICENSE NUMBER 25 26 LICENSE TYPE JJ b7 CA I $8 ON'T [nCE l L }@l 01 5 l 0l 0 l 0 l 3 l 4 l 8 l@l 01 7 l 1 l 3 l 7 l 9J@l 0 l 8 l 0 l 9 l 7 l 9 l@

C 1

7 8

tW 61 OOCKET NUVSER 63 09 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTICN /.ND PROBASLE CONSEQUENCES

} At 0615 on 7-13-79, the Penetration Room Filtration System (Trains A and B) was l

o 2

, declared inoperable due to the B Train exhaust fan nst starting and the A Train o,,,

l suction damper not opening. Tech. Spec. 3.9.12 requires one Penetration Room I

o

[ Filtration System to be operable and aligned to the Spent Fuel Pool Room when

[

o s

0,6 l irradiated fuel is in the storage pool.

Tech. Spec. 3.9.12 action statement require-[

0 7

l ments were met.

The health and safety of the public were not affected by this

[,

o s l occurrence.

I 80 7

8 9 SYSTEU

CAUSE

CAUSE COVP.

VALVE CODE CODE Su? CODE COYPONENT CCDE SUSCODE SUSCODE 9]

l Sl Hlh l Elh l Xlh B I L l 0 lW l E l R lh lZ lh lZ lh o

7 8

9 10 11 12 13 18 19 2J "OVENTI AL OOCUR A E NCE PEFORT REVISloN LE A AO EVENT YE AR REPORTNO.

CCOE TYPE NO.

h REQE l7l9l l-l l0l2l9l l/l l0 l3 l l Ll b

l0 l y

_ 21 22 22 24 26 27 23 29 30 31 32 ACTION FU Tt:AE EFFECT SaVTDC *tN A TT ACHV E NT N P R O.4 PRl".f E COMP.

COYPONENT

$USMIT T E D FORMdus.

SUPPLIER MANUFACTURER TAKEN ACTION ON PLANT V E Tw C.O HOURS 44 Ixi@lzi@

l z l@

I:!@

l0l01010I I v l@

lNl@

lAl@

l A l 2 l 2 l 0 l(h JJ J4 35 3S 3/

40 41 42 43 44 47 CAUSE DESCRIPTION AND CC ARECTIVE ACTIONS h i

o l The B Train exhaust fan did not start due to its temperature overload being tripped. I l The A Train suction damper did not open due to its breaker being open and the control I i

i j power fuse missing. The subject overload was reset, fuse replaced and the breaker l

i l closed. The system was returned to operation at 0700 on 7-17-79.

I 3

l I

i 4

7 d 9 80 F ACILtTY METHCO OF STAIUS

% POviE A OTH ER STATUS ciSCOVERY DISCOVERY DESCntPTION 32 NA l

(_A.j@lOperatorObservation I

l Glh l 0 l 0 l 0 l@I 1

5 ACTIVITY CO TENT RELEASED OF PELEASE AYousT OF ACT:virv LOCATION OF RELEASE 1

6 NA NA 7

8 9 13 ii 44 45 60 PERSO%EL EXPOSU AES NuY8E R TYPE CESCRIPTION J 10101Oj@lzl@l NA l

i i

.4 aso.ma', au'IES

'2 So NUYSE R Of scR!PTtCN Lol 010181 NA i

i 7

4 9 li 12 gg LO'd GF OR C AVACE TO F ACILITY

(_ 'i TYPE OESCatarioN 7908140 e 7,3 f

i F1 1 zl@l o

I NA i

n 9 io ua IZ1E O SCRIPTIO't 2Io I NIDI NA l

((fIJlll ll lJlj 7

a 9 io cs c9 sa ;

(205) r.H-5156 9

W. J;. JIai_rston, III r.r.=

m bNh

.' $ 2

e ALABAMA POWER COMPANY JOSEPH M. FARLEY NUCLEAR PLANT DOCKET N0. 50-348 ATTACHMENT TO LER 79-029/03L-0 Facility:

Joseph M. Farley Unit 1 Report Date:

8/9/79 Event Date:

7/13/79 Identification of Event:

Penetration Roco Filtration System (Trains A and B) declared inoperable.

Conditions Prior to Event

Plant was in hode S.

Description of Event

At 0615 on 7-13-79, the Penetration Room Filtration System (Tn sns A and B) was declared inoperable due to the B Train exhaust fan not starting and the A Train suction damper not opening. Tech. Spec. 3.9.12 requires one Penetration Room Filtration System to be operable and aligned to the Spent Fuel Pool Room when irradiated fuel is in the storage pool. Tech.

Spec. 3.9.12 action statement requirements were met.

The sytem was returned to operation at 0700 on 7-17-79.

Designation of Apparent Cause:

The B Train exhaust fan did not start due to its temperature overload being tripped. The A Train suction damper did not open due to its breaker being open and the control power fuse missing.

Analysis of Event

An investigation was conducted to determine the cause of the A Train damper breaker being open and the control power fuse missing. A search of maintenance work requests and tagging orders failed to reveal the

cause

The system was returned to operation at 0700 on 7-17-79.

The heal.th and safety of the public were not affected by this event.

Corrective Action

1.

Following the resetting of the overload, replacing the fuse and closing the breaker the system was returned to operation.

2.

A work request has been submitted to verify proper temperature overload operation.

7 h 5 5) 9 *D J 7

4..

LER 79-029/03L-0 3.

An investigation / documentation scarch was conducted in an attempt to clarify the reason for the open breaker and missing control power fuse. This investigation / documentation search failed to reveal the

Cause

4.

This incident will be reviewed by maintenance and operations super-visor personnel.

No further corrective action is deemed necessary since this was an isolated event.

Failure Data:

None.

W mm 7

• I

)

wJ'

=