ML17252B490: Difference between revisions

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| document type = Letter, Licensee Event Report (LER)
| document type = Letter, Licensee Event Report (LER)
| page count = 4
| page count = 4
}}
=Text=
{{#Wiki_filter:.... -.... ,, .. Common.Ith Edison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920
* REGUtATORV DOCKET flt[. COPY BBS Ltr. #78-1245 James G. Keppler, Regional Director Directorate of Regulatory Operations U.S. Nuclear Regulatory Commission 7qq Roosevelt Road Glen Ellyn, IL 60137 September 7, 1978 S? -Region III .... , -., . -.... ,. *. -..;;:-..... ** 0 -.::0 ;;;; r; rt') (fl * -*Reporta'hie---oc*currence Report #78-050/0l-T=o ,, Docket #.oso-*2'37 is . .. submitted your office in accordance with Dresden Nuclear* Power .. * -.. '* Station Technical Specification 6.6.J3.l.(e), failure or malfunction of one or more components which prevents or could prevent, by itself, the fulfillment of the functional requirements of system(s) used to cope with accidents analyzed in the SAR. BBS/deb Enclosure Stephenson . *-,-'Station Superintendent Dresden Nuclear Power Station cc: Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC 
.j
* 1 I I j i .,.j *.1 l " tlltt . <: ... : . --*--L._. ::.._ector * '* .::. '"' .. of Regu-ory Operations Regio'n . ..::iI .. . ....... ...... _ U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 cc: Director Office of Management Information and Nuclear Regulatory Commission Washington, DC 20555 v _,_.,.y y . ! Telec,Eis . Date 2 /;;{.t; 7 ff or /. ' . _ .. Telegrammed . GE 3 .. : .&sect; f . DC ------By _____ _ Program Control / *
==SUBJECT:==
DPR-Dresden Nuclear Power Station, Unit __ _:_...:..___: __ :__ ____ 1!* 'I . l This will confirm a conversation with 01/l.f f5AJRJte/Z of / # (Je/Z*So rJ your office at / &#xa3;0-0 hrs this date concerning I/ I -z_, &#xa3;J-6 ;::::,,;,turz-*e.., --;-o tA.J.N/ te-c , Ho, rec-7/DAJ /,7i//Ze-c. v c es >'1 t/C -.//2--t> /.'e# 0/ A-IG {J;P-e/Z-/1 /3L. C... , _.$ .. /.Jf/2-/ L-t ;:g*e-C/c/4&#xb5;6ee?. ?/.T, I . . . ************************************* = l To Call: GE  858-2660xl6 DC  1-301-492-7617 (auto) WU -815-942-4449/4321 *
* t
* i Station Dist: Originator (copy) t Incident File (copy) ; .< *,.'). B. B. Stephenson, Superintendent Dresden Nuclear Power Station Commonwealth Edison Company R.R. Ill Morris, IL 60450 Telephone: 815-942-2920/292lx212 {.telccopy* x262) . ...-* N I """ \,n lRC FORM 366.
* LICENSEE EVENT REPORT CONTROL BLOCK:l L.-..1.---J.l_..J.-__..___,_---!!I CD (PLEASE PRINT ORT-ALL REQUIRED INFORMATIONI I 6 >of1"19 I I I LI DI RI SI 2 l@l 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I -I 0 I 0 IG)I 4 I 1 I 1 I 1 I 1 l&#xa9;I I
* I &#xa9; 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT .58 CON'T lnT71 L!J&#xa9; I 0 I s 1 0 I 0 I 0 I 2 I 3 I 7 101 0 I 8 I '2 I 4 I 7 I 8 ,@I 0 I 9 . , 0 I 7 I 7 I 8 I&#xa9; S. UR 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES @ I With Unit 2 at stea.?Y operation and 2/3 Diesel Generator out of service for maint-.. ,, []JI] I enance, Unit 2 diesel failed to start on first attempt. Diesel then started properly three times. .The safety significance was minimal because off site power supplies .[&#xa3;]}] I were available. Similar occurrences as referenced in R.O. ltS0-237/1977-ll, I/l-12-([]]J I 2-72-9, I#-12 75-26, I#-12 7S-39. CTIIJ [&sect;]]] 1 8 9 80 '[ill] 1 8 SYSTEM CAUSE CAUSE COMP. VALVE -. -::.tooe: CODE SUBCODE COMPONENT CODE SU8CODE SUBCODE I Ef Ef@ .. w@ Ml''*'.61' .TJ .o: -.Rix I@ L!J.@)* w.J.@-,,, ' 9 10 " 12 13 1s 19 _':-:: -'/;:;\ LE R/RO CV ENT YEAR ' 0 REPORT I 71 81 NUMBER 21 22 SEQUENTIAL OCCURRENCE REPORT . REVISION REPORT NO. CODE rYPE NO. I I Io 1 s Io I I /I I o I l j L!J l=J lQJ 23 24 26 27 2S 29 30 ' 31 32 TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM :;us. SUPPLIER COMPONENT MANUFACTURER ACTION FUTURE EFFECT SHUTDOWN .@ ATTACHMENT NPRD-4 PRIME COMP. W@LIJ@) LI@ W Io I ol ol ol l:LI@ LLJ lliJ@ 33 34 35 36 37 40 41 42 43 I rl ol 1 I sl@ CAUSE DESCRIPTION AND CORRECTIVE ACTIONS  44 47 OJ]]. I The pinion gear on one of the air start motors did not engage with diesel ring gear. [III] I The air start motor was replaced and Diesel successfully. A modification ,, [I]1] I is in progress to install a multiple start sequence which will increase Diesel Gen-'I *1 l : : : : : I era tor reliaPility at Dresden. '*'1 1 8 9 'i FACILITY
* f:iQ\ METHOD OF *
* t:::;\' .':1 STATUS % POWER OTHER STATUS \::'./ DISCOVERY DISCOVERY DESCRIPTION  LE.J@ I ol 91 sl@I U3 at steady LlLJI Surveillance Testing 1 8 9 10 12 13 ' 44 45 46 ACTIVITY CONTENT * (.;;;\ _:1 RELEASED OF RELEASE AMOUNT Of OJI]* w@ W@L..I _N_A ______ _. ;i ' '1 s 9 10 11 44 *.:*; 80 so LOCATION OF RELEASE @ 45 NA so PERSONNEL EXPOSURES ' :l __ -*.. 1 s 9 11 12 13 so . '11 PERSONNEL INJURIES r;;-;., . '. NUMBER DESCRIPTION6 ! '[Ifil L 0 I 0 I 0 _______ ____; __________ ,1 1 s 9 11 12 so ' LOSS OF OR DAMAGE TO .FACI LIT,Y. f'43\ l .I .oi 'J TYPE DESCRIPTION \;:::J (QI} ______ ---------------:-: 8 9 10 ' so *.j .. *! '*1 PUBLICITY NAC USE ON Y ISSUEDt::::;\ * * -l "' I l 1 8 9 10 68 69 ' 80. ;;. '1 J.E. Doyle NAME OF PHONE: ___ 2:::.;6::!.;S::__ ______ _ 
'. J 1 j ! i ) J * -****-**-**----_.. ll .. ,,*
* ATTACHMENT TO LICENSEE EVENT REPORT78-050/01T-0 COMMONWEAL1Tl EDISON COMPANY (CWE) DRESDEN UNIT -2 (ILDRS-2.) DOCKET If 050-237 . While Unit 2 was at steady operation and*the 2/3 Diesel General was out of service for routine inspection, the Unit 2 Diesel Generator failed to start on the first Surveillance attempt. Thereafter, the _ Diesel Generator was started successfully three times. The safety significance of this event was minimal because all station off-site power-supplies were available. There have been several Diesel Generator failure to start occurrences reported in the past at Dresden. qperability .test the ope.rater that the pinion gear air start engage with the .. diesel. r:i.n&_., < --* . . * ..j ..... * * *. .:.,. -*: . J *... *_ ' * * * * . .* ... 1. I. *. ** ... ;. r' *,. gear. 'fhe air start motor was replaced the Diesel --fully. A modification is in progress to install a multiple start
* sequence which will increase Diesel Generator reliability at Dresden * ..-:_. 
}}
}}

Revision as of 05:13, 25 April 2018

LER 78-050/01T-0 for Dresden, Unit 2 Re Diesel Failure to Start on First Attempt
ML17252B490
Person / Time
Site: Dresden Constellation icon.png
Issue date: 09/07/1978
From: Stephenson B B
Commonwealth Edison Co
To: Keppler J G
NRC/RGN-III
References
BBS LTR 78-1245 LER 78-050/01T-0
Download: ML17252B490 (4)
v • d • e


Text

.... -.... ,, .. Common.Ith Edison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920

  • REGUtATORV DOCKET flt[. COPY BBS Ltr. #78-1245 James G. Keppler, Regional Director Directorate of Regulatory Operations U.S. Nuclear Regulatory Commission 7qq Roosevelt Road Glen Ellyn, IL 60137 September 7, 1978 S? -Region III .... , -., . -.... ,. *. -..;;:-..... ** 0 -.::0 ;;;; r; rt') (fl * -*Reporta'hie---oc*currence Report #78-050/0l-T=o ,, Docket #.oso-*2'37 is . .. submitted your office in accordance with Dresden Nuclear* Power .. * -.. '* Station Technical Specification 6.6.J3.l.(e), failure or malfunction of one or more components which prevents or could prevent, by itself, the fulfillment of the functional requirements of system(s) used to cope with accidents analyzed in the SAR. BBS/deb Enclosure Stephenson . *-,-'Station Superintendent Dresden Nuclear Power Station cc: Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC

.j

  • 1 I I j i .,.j *.1 l " tlltt . <: ... : . --*--L._. ::.._ector * '* .::. '"' .. of Regu-ory Operations Regio'n . ..::iI .. . ....... ...... _ U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 cc: Director Office of Management Information and Nuclear Regulatory Commission Washington, DC 20555 v _,_.,.y y . ! Telec,Eis . Date 2 /;;{.t; 7 ff or /. ' . _ .. Telegrammed . GE 3 .. : .§ f . DC ------By _____ _ Program Control / *

SUBJECT:

DPR-Dresden Nuclear Power Station, Unit __ _:_...:..___: __ :__ ____ 1!* 'I . l This will confirm a conversation with 01/l.f f5AJRJte/Z of / # (Je/Z*So rJ your office at / £0-0 hrs this date concerning I/ I -z_, £J-6 ;::::,,;,turz-*e.., --;-o tA.J.N/ te-c , Ho, rec-7/DAJ /,7i//Ze-c. v c es >'1 t/C -.//2--t> /.'e# 0/ A-IG {J;P-e/Z-/1 /3L. C... , _.$ .. /.Jf/2-/ L-t ;:g*e-C/c/4µ6ee?. ?/.T, I . . . ************************************* = l To Call: GE 858-2660xl6 DC 1-301-492-7617 (auto) WU -815-942-4449/4321 *

  • t
  • i Station Dist: Originator (copy) t Incident File (copy) ; .< *,.'). B. B. Stephenson, Superintendent Dresden Nuclear Power Station Commonwealth Edison Company R.R. Ill Morris, IL 60450 Telephone: 815-942-2920/292lx212 {.telccopy* x262) . ...-* N I """ \,n lRC FORM 366.
  • LICENSEE EVENT REPORT CONTROL BLOCK:l L.-..1.---J.l_..J.-__..___,_---!!I CD (PLEASE PRINT ORT-ALL REQUIRED INFORMATIONI I 6 >of1"19 I I I LI DI RI SI 2 l@l 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I -I 0 I 0 IG)I 4 I 1 I 1 I 1 I 1 l©I I
  • I © 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT .58 CON'T lnT71 L!J© I 0 I s 1 0 I 0 I 0 I 2 I 3 I 7 101 0 I 8 I '2 I 4 I 7 I 8 ,@I 0 I 9 . , 0 I 7 I 7 I 8 I© S. UR 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES @ I With Unit 2 at stea.?Y operation and 2/3 Diesel Generator out of service for maint-.. ,, []JI] I enance, Unit 2 diesel failed to start on first attempt. Diesel then started properly three times. .The safety significance was minimal because off site power supplies .[£]}] I were available. Similar occurrences as referenced in R.O. ltS0-237/1977-ll, I/l-12-([]]J I 2-72-9, I#-12 75-26, I#-12 7S-39. CTIIJ [§]]] 1 8 9 80 '[ill] 1 8 SYSTEM CAUSE CAUSE COMP. VALVE -. -::.tooe: CODE SUBCODE COMPONENT CODE SU8CODE SUBCODE I Ef Ef@ .. w@ Ml*'.61' .TJ .o: -.Rix I@ L!J.@)* w.J.@-,,, ' 9 10 " 12 13 1s 19 _':-:: -'/;:;\ LE R/RO CV ENT YEAR ' 0 REPORT I 71 81 NUMBER 21 22 SEQUENTIAL OCCURRENCE REPORT . REVISION REPORT NO. CODE rYPE NO. I I Io 1 s Io I I /I I o I l j L!J l=J lQJ 23 24 26 27 2S 29 30 ' 31 32 TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM :;us. SUPPLIER COMPONENT MANUFACTURER ACTION FUTURE EFFECT SHUTDOWN .@ ATTACHMENT NPRD-4 PRIME COMP. W@LIJ@) LI@ W Io I ol ol ol l:LI@ LLJ lliJ@ 33 34 35 36 37 40 41 42 43 I rl ol 1 I sl@ CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 44 47 OJ]]. I The pinion gear on one of the air start motors did not engage with diesel ring gear. [III] I The air start motor was replaced and Diesel successfully. A modification ,, [I]1] I is in progress to install a multiple start sequence which will increase Diesel Gen-'I *1 l : : : : : I era tor reliaPility at Dresden. '*'1 1 8 9 'i FACILITY
  • f:iQ\ METHOD OF *
  • t:::;\' .':1 STATUS % POWER OTHER STATUS \::'./ DISCOVERY DISCOVERY DESCRIPTION LE.J@ I ol 91 sl@I U3 at steady LlLJI Surveillance Testing 1 8 9 10 12 13 ' 44 45 46 ACTIVITY CONTENT * (.;;;\ _:1 RELEASED OF RELEASE AMOUNT Of OJI]* w@ W@L..I _N_A ______ _. ;i ' '1 s 9 10 11 44 *.:*; 80 so LOCATION OF RELEASE @ 45 NA so PERSONNEL EXPOSURES ' :l __ -*.. 1 s 9 11 12 13 so . '11 PERSONNEL INJURIES r;;-;., . '. NUMBER DESCRIPTION6 ! '[Ifil L 0 I 0 I 0 _______ ____; __________ ,1 1 s 9 11 12 so ' LOSS OF OR DAMAGE TO .FACI LIT,Y. f'43\ l .I .oi 'J TYPE DESCRIPTION \;:::J (QI} ______ ---------------:-: 8 9 10 ' so *.j .. *! '*1 PUBLICITY NAC USE ON Y ISSUEDt::::;\ * * -l "' I l 1 8 9 10 68 69 ' 80. ;;. '1 J.E. Doyle NAME OF PHONE: ___ 2:::.;6::!.;S::__ ______ _

'. J 1 j ! i ) J * -****-**-**----_.. ll .. ,,*

  • ATTACHMENT TO LICENSEE EVENT REPORT78-050/01T-0 COMMONWEAL1Tl EDISON COMPANY (CWE) DRESDEN UNIT -2 (ILDRS-2.) DOCKET If 050-237 . While Unit 2 was at steady operation and*the 2/3 Diesel General was out of service for routine inspection, the Unit 2 Diesel Generator failed to start on the first Surveillance attempt. Thereafter, the _ Diesel Generator was started successfully three times. The safety significance of this event was minimal because all station off-site power-supplies were available. There have been several Diesel Generator failure to start occurrences reported in the past at Dresden. qperability .test the ope.rater that the pinion gear air start engage with the .. diesel. r:i.n&_., < --* . . * ..j ..... * * *. .:.,. -*: . J *... *_ ' * * * * . .* ... 1. I. *. ** ... ;. r' *,. gear. 'fhe air start motor was replaced the Diesel --fully. A modification is in progress to install a multiple start
  • sequence which will increase Diesel Generator reliability at Dresden * ..-:_.
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