ML19316A774

LER 80-028/03L-0:on 800424,during Test Start,Diesel Generator 1B Started W/O Output Voltage Indication,Tripping Generator on Overspeed.Caused by Two Blown Fuses.Fuses Replaced & Generator Returned to Svc

ML19316A774
Person / Time
Site:	Farley
Issue date:	05/19/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19316A768	List: ML19316A767 ML19316A774
References
LER-80-028-03L, LER-80-28-3L, NUDOCS 8005270491
Download: ML19316A774 (1)

Text

- . _ . . _ _ . ._. . _ _ _ _ _

n

\.) a

. , . E. wciuc a r

.. . . 9, v.. .

t NOkTREL SLOCIC l I

l l l l l

.h l JPLE ASE PCINT CR TYPF. ALL RE3UIRE3 8NFIRMATI%Nl I

o i 8 9 l Al Ll Jl Ml Fl 1 tol@l150 l 0 l - l 0 luCENst UCEN5EECoot 0 l 0Nur.isEH l 0 l 0 l- l0 l0 l@l 2h 42e l 1UCENSE l 1 l 1TYPE l 1JOl@l57 GAl T 64l@

CON'T ,. , ,,

M [a*,*e' l L l@l 0 l 5 l 0 l 010 l 3 l6d4 l 638 @l 0 l4 l 2 l4 l8 EVENT oATE 74 l07h]@[0ISl1l9l8 REPORT oATE l080l@

3 8 60 65 coCKET NUMB ER EVENT DESCRimON AND PROB A8LE CONSECUENCES h ,

o 2 lAt 2155 on !.-24-80, during a test st art Diesel Generator 1B started, however there was l, a 3 gno output voltage indication and' tfie D.G. subsequently tripped on overspeed. As a g o ., [ result, D.C. IB was declared inoperable. Tech. Spec. 3.8.1.1, in part, requires t.wo g g gseparate and independent D.G. sets to be operable. Tech. Spec. 3.8.1.1 action g g gstatement requirements were met. Health and safety of the pu'blic were not affected. g f oT71 1 .

I 1o 1d l l  !

7 as s0 SYSTEM CAUSE CAUSE COMP. VALVE C0ct CCoE SU5 CODE COMPONENT CCoE EUscooE SuecooE FTs1 7 8 lE lE l@ Wh l Z l@ lIJ Z' ZI Zl Zl Zl Zlh lZ l@ @h 9 to 11 12 18 19 20

. StoVENTIAL CCCURRENCE REPORT REVl5 bon LER/Ro EVENT YEA R R EPoRT No. CooE TYPE No, h afggyu l21 l0 l 22 l_l 23 l 0l 2l 8l 24 26 y l 0 l 3J 29

]

3J l_._l ]

32 27 2S 31 7 E AC e oN PLA T ET HOURS 22 $ B 17 Fo 1 3. SUPPL 1 MANUFA TURER Wh[4_XJ 3J 2 Q l35Z l @ lZl@ l0 l0 l0 l0 l 31 W@ l42N ]Q W@ l44Z [9 l9 l947l@

36 40 el 43 CAUSE DESCRIPTION AND COMECTIVE ACTIONS h g l D.C. IB ino:erability was caused by two blown fuses (control power to voltage control l g [ circuit and. =ain control power). The fuses were replaced and D.C. IB was returned to l ,

l

, ", g service at 2252 on 4-24-80 following. the successful ' performance of the surveillance g g l test. An investigation to determine if this incident 'is an isolated event is in pro- g

, ', l gress and a supplemental LER will be issued if appropriate. g

a o so

's'TAE sacwER oTHERsTATus b $isEoSERv' oiscovERv oEsCRinnoN @

, i s [,,,Ej@ l 1 i  ! 0 l@l NA l l B l@l Performance of test l

' AEnviTv CoITzw " ** ** d' **

l rEttAsEo cP aEi.:ast m

LOCAtidN oF RELEASE UTs '1'LZJ @ 'l Z '@l AuoVNT NA oF ACTIVITY l k/l NA l

,ERso~~s E4Po:SEs ** " l 1

NuveER TvPE -

oEsCRieTion h l i 7

]0 l0 l0 l@l Zl@l" NA l )

,ERseN~E'c'imuLs "

NuveER Q l0 3 8 9 l0 l0 l@letsCRietioN@ NA 18 82 , 30 l

i Loss of om oAMAGE To FACluTv 43 .

TYPE otsCRlPTioN l 8 IZl@l 7 8 9 10 NA l

80 8006M O y ,

nRe usE Outy I

2 o 8 9 issettol -@oEsCniefioN@ NA l 68 69 lllllll(([lll}

30 ;

NAME OF PREPARER W. G. Hairston. III PHONE:

N $

_ _ ___ __ __