05000321/LER-1979-017-03, /03L-1 on 790227:variations in Speed of HPCI Turbine Occurred During Test.Caused by Turbine Control Loop Failure.Controls Calibrated & Actuator Determined to Be Inoperable.Actuator Was Replaced

/03L-1 on 790227:variations in Speed of HPCI Turbine Occurred During Test.Caused by Turbine Control Loop Failure.Controls Calibrated & Actuator Determined to Be Inoperable.Actuator Was Replaced

ML19282C511
Person / Time
Site:	Hatch
Issue date:	03/26/1979
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19282C505	List: 05000321/LER-1979-017, Forwards LER 79-017/03L-1 05000321/LER-1979-017-03, /03L-1 on 790227:variations in Speed of HPCI Turbine Occurred During Test.Caused by Turbine Control Loop Failure.Controls Calibrated & Actuator Determined to Be Inoperable.Actuator Was Replaced
References
LER-79-017-03L-02, LER-79-17-3L-2, NUDOCS 7903300255
Download: ML19282C511 (1)

LER-1979-017, /03L-1 on 790227:variations in Speed of HPCI Turbine Occurred During Test.Caused by Turbine Control Loop Failure.Controls Calibrated & Actuator Determined to Be Inoperable.Actuator Was Replaced

Event date:
Report date:
3211979017R03 - NRC Website

text

. -

Report da ted 3-14-7 9

,coNTnpL OLOCK: !

l l

l l

1 l@

(PLEASE PRINT OR TYPE ALL REQUf RED INFORMATIONF 1

6 l'cf-[lclilHl1l@lO!0lOlOI0l0 O!0l0lO!Ol@l4l1l1l1l1lhl l

l@

1 8 'S LICE %EE CCDL 14 15 UCE%E NWesEH 25

.'6 LICENSE TYPE JG

$ 7 LAI td C*rT [O7n"C l Ll@ 0l 5 l 0l 0 l 013 l 2 l 1 @l O l 212 l 717 I 9 @l 013121617 I O l@

0 1

3 60 61 COOKET %VSER Ni O

EVENT DATE 14 75 REPORT DATE 83 EVENT DESCRIPTION AND PRC0ABLE CCNSECUENCES h

, e r om neing en norf - m:n 1_1,01 nTm T o, -,

f l nor t ag steady ce,te coeration uh41 e a

2 O

3 l Ra ted Flow. the orecedure had to be discontinued due to varisticns in the speed I

o 8

I of the HPCI turbine. HPCI wa s declared inonerable oer Tac ha 4 c,1 " wiF4c

• 4ane I

o s 1 3.5.D.2. The ADS. RCIC. RHR systems. LPCI mcd e.

and core snrav systems were l

o 6

I Mediatelv de erstr,ted to be onor nbl a There uora nn oF#o-tm "nnn tha nuh140 I

I O

7 I henith cr_s,ferv.

1 0

8 L

80 8 9 COYP.

VALVE SYSTEM

CAUSE

CAUSE COCE CCCE SU0 CODE CCYPONENT CODE SUSCCCE SUSCCCE ol9 lS Flh l Elh l E lh lT IN 19 lT lR lU lh l Elh l zlh 8

9 to 11 12 13 18 19 20 SEQUENTI AL OCCURRENCE REPOR)

REVISION LER EVENTYEAR R E POR T N O.

CODE TYPE N O.

h y/PO l7 l9 l

[--J l0 l1l 7 l l/l l Ol 3l l Ll l-l l 1l

_ 21 22 23 24 26 27 28 29 30 31 32 ACTICN FUTURE EFFECT SHUTCCWN ATT ACHV E NT N 8 R O.4 PRIVE COVP, COMPCNENT SUBMITT ED FORMsyS.

SUPPLIER YANUFACTUAER TAKEN ACTION ON PL ANT METHCO HOURS a

lDl@lZl@

l zl@

lzl@

l0l0l0l0l lN l@

lY l@

l Nl@

lW l 2l910l@

33 J4 3b a6 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CCRRECTIVE ACTIONS 1 o l The cmtse wa s attributed to turbine centrol loen f ailure. The controls were calibratedl i ii l and the ac tuator was d etermined to be inoperable. After the ac tuater w,s re,lacad I

1 the HPCI Ratej Flow procedure and HPCI Quick Sttr e test were successfullv comleted.

I i

2 i

3 I

l i

4 I

80 7

8 9 ST S

% POWER OTH STATUS ISCO RY DISCOVERY CESCRIPTION NA l

lBl@l Surveillance Testine l

l E @ l 0 l 9 l 3 l@l 1

5 ACTIVITY CONTENT RELEASEO CF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l

Na l

I NA Izl@ ld@l i

e 7

8 9 to 11 44 45 80 PERSONNEL EXPO 3URES NUYBE R TYPE OESCRIPTICN ~

l l 0101 Oj@l z!@l i

7 NA 80 7

8 9 11 17 13 PERSONNE L INJUHlf S M "P.ER CC3 CHIP TION l

10 01 Ol@l NA i

80 7

8 9 11 12 LCSS CF OR DA9 AGE TO FACILITY Tv&E DE% nip Y60N l

l zl@l NA i

o 30 7

d

'J t <J NRC USE ONLY ecmPr.u@c P M icirY 7903000255 i

111tiitittiill mUrn i Nici Na n

08 69 60 %

7 4 3 30 (912) 367-6636 4

R. T. Nix PHONE:

NA?.tE OF PHCP AREH _

Superintendent of Shin tenance