05000368/LER-1981-025-03, Fire Developed on Exhaust Header of Diesel Engine.Caused by Oil Soaked Insulation Igniting When Exhaust Temp Reached Approx 1000 F.Manifold Cleaned & Gasket Changed

Fire Developed on Exhaust Header of Diesel Engine.Caused by Oil Soaked Insulation Igniting When Exhaust Temp Reached Approx 1000 F.Manifold Cleaned & Gasket Changed

ML20010G260
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/20/1981
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20010G250	List: 05000368/LER-1981-025, Forwards Updated LER 81-025/03X-1 05000368/LER-1981-025-03, Fire Developed on Exhaust Header of Diesel Engine.Caused by Oil Soaked Insulation Igniting When Exhaust Temp Reached Approx 1000 F.Manifold Cleaned & Gasket Changed
References
LER-81-025-03X, LER-81-25-3X, NUDOCS 8109150499
Download: ML20010G260 (2)

LER-1981-025, Fire Developed on Exhaust Header of Diesel Engine.Caused by Oil Soaked Insulation Igniting When Exhaust Temp Reached Approx 1000 F.Manifold Cleaned & Gasket Changed

Event date:
Report date:
3681981025R03 - NRC Website

text

4

.. e

- UPDATE REPORT - PREVIOUS REPORT DATE 8/3/81 Nec FORM 3C6 U. S, NUCLE AR REGULATORY cot 4 MISSION LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCK: l l l l l l lh (PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATIONI 6

6 i AjR l Al Nj 0 l 2 lgl 0 ]O l -l0 l0 l 0l 0l 0 l-l 0 l0 lgl4 l1l1l1l1lgl l g o i 7

8 9 UCENstt CQOf to is LeCENSE NuwS*H 25 26 ttC t N>t tv,t JG b7carse CON'T po 1',!"c' lL_)@l0 l 5 p 10 l 0 l316 18 l@l0 l 613 10 l 811 l@l 0181 210 l 811 l@

8 40 6'

occE ET NUMSER ed 89 EVENTDATE I4 7%

NE,OHi DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 10 o 2 i During Zero Power Physics tes ing on 6/30/81, and during Mode 1 i

operation on 7/27/81, while perfoming the monthly surveillance on o 3 i i

F6TT1 i Emergency Diesel Generator #2, 2K4B, a fire developed on the exhaust i

o s i header of the diesel engine. The diesel was secured and the redundant o, i diesel generator was verified cperable per T.S.3.J.1.1.

No similar c

i gi occurrences. Reportable per T.S.6.9.1.9.b.

i o a l I

'c3S"

'$cis' s s'cios EiEva 3 7,*.' "' s u,ueous~r cout o

8 I El EIO LEj@ [Bj@ l EIN IG II I NIE l@ [Zj@ LZl@

.v.~, [..

t'Ro#,[

"d'"

h."

~

"'"T""

u,, o

@,a',T; la_L1.3 L-J 1 01215 1 ld 10131 L)LJ l--J L1.J

_ 26

/2 23 24 26 27 28 2

Jo 36 31 s 8@g,'t{UMg b,, Rg l 9 U;'T"lE'Djg TkAAb@ b@T MbET@

1 0 l"(D )2 l N

D D

S u

n n

0

• • "5Wy$"sH@l0%ii rdv8PIMf'Tlihoil had leaked through gaskets in the S

i o l l

gi exhaust system onto the insulation. When the diesel reached or,ercting,

exhaust temperature of approximately 1000 F, the fire was ignited on gi

, 3 I the oil soaked insulation. The exhaust manifold was cicaned and i

gaskets changed as necessary.

See attached for additional irformation.,

,, i

'd'.'M7s' [XJ@ p I Q 0l@l 72% FP on 7@/2T [hj%,'

Operator dBseravbren.,rio~ @

Ils!"

seo..a c. eastatus cov va on

@l l

i s

. j,,,,,, g,,,,,

u o

a

.s

.0 7

..over or.crivir, @ l mano,.o,,,u.s.@

.cu.s o o,

.u.s.

8 [1]@ (Zj@l NA l

NA l

..so~~'.1,..ose s oesca.,1o~@

,,uou.

10 I of Ol@[Z_j@l NA l

i 7

,..so

.'t,~,uies a

oisca,rio=@

wuveta 101010 l@l NA l

i n

. t{ ins,o, oa ohch racitirv g L7J@l NA l

' o 7

8 9 to p

,bsu[o

""'o'llca.,rio= @

Nac ost oNLv Si NA 1 IIllllllll[il 2 o 7

8 9 10 t,8 si9 no MU%b3M Chris N. Shively

""" ^* *a" AR E R 81091a0499 810820

,n oy,.'

DR ADOCK 05000368 PDR

4 Page 2 of 2

~

,s-Attachment to LER # 81-025/03X-1 Operating procedures have been revised to incorporate manufacturer's recommendations that have been implemented at other facilities.