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| {{Adams
| | #REDIRECT [[05000296/LER-1980-040-03, /03L-0:on 801010,diesel Generator 3EB Lube Oil Circulating Pump Found Inoperable.Caused by Locking of double-row Ball Bearing.Lube Oil Circulating Pump Replaced]] |
| | number = ML19341A693
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| | issue date = 01/21/1981
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| | title = /03L-1:on 801010,3EB Diesel Generator Lube Oil Circulating Pump Discovered Inoperable.Caused by Locked Double Row Ball Bearing.Lube Oil Circulating Pump Replaced
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| | author name =
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| | author affiliation = TENNESSEE VALLEY AUTHORITY
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000296
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| | license number =
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| | contact person =
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| | document report number = LER-80-040-03L, LER-80-40-3L, NUDOCS 8101270711
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| | package number = ML19341A688
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 2
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| }}
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| {{LER
| |
| | Title = /03L-1:on 801010,3EB Diesel Generator Lube Oil Circulating Pump Discovered Inoperable.Caused by Locked Double Row Ball Bearing.Lube Oil Circulating Pump Replaced
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000296
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| | LER year = 1980
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| | LER number = 40
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| | LER revision = 3
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| | |
| =text=
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| {{#Wiki_filter:_
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| m'm. cue m.
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| UPDATE REPORT - PREFIOUS REPt,dT DATE 11/7/80 * "'"* "E#'**"' '"~'""~~
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| 7 - ?77 LICENSEE EVENT REPORT Q
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| CONTROL BLOCK: l l
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| l l <h (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI i
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| o i P
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| S 60 61 DOCKET NUMSER 68 69 EVENT DATE 24 75 REPORT DATE 90 EVENT DESCntPTION AND PROBA8LE CONSEQUENCES h l o i 2 I I With unit 3 at 99 percent steady state power. it was discovered that the "3EB" io Iai I diesel generator lube oil circulating pump was inoperable. There was no danner
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| [@ l to the health or safety of the public, n'o significant resultina chain of events. and.
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| I goisl l no previous similar occurrence. See technical specification 3.9.B.2.
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| 7 8
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| 3 10 11 12 13 19 19 20 SEcutNTIAL OCCURRENCE REPORT REVISION
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| _ EVENT YE AR REPORT No.
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| CODE TYPE No.
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| @,a=E R'ftO18101 l--J LobLeJ IzJ l ol,I I t. I L--J L1J L
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| _ 24 22 2J 24 J6 27 28 29 30 31 32 T K N AC o oN Pt T
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| ME HOURS 22 58 IT PoR 8.
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| SUPPL 1 MAN PA T,n:
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| lV l1 12 15 33 34 JS J6 37 40 el 42 4J 44 CAUSE DE3CRIPTION ANDCORRECTIVE ACTIONS h I i i o l l The double-row ball bearing locked. The lube oil circulatinn Dumo was reolaced.
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| IiiiI i There is no recurrence control required due to low failure rate.
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| The evene uns m l attributed to normal end-of-life. Viking pumps, 5 gpm. Md1 CV503A.
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| L2 L1J l [HD I i
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| a s TA s
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| % power oTHER STATUS as Y
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| DISCOVERY D* $CRIPTioN NA l
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| J @l Operator observed l t I s'l J@ l 0 l 9 l 9 l@l
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| 'JnynY % TENT AMOUNT op 4CnviTY @ l LoCArioN op RELEASE @
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| RELEAsto@op Rutt wW 231 l
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| NA Lz_J NA i a PERSONNEL ExposuEPs otscairnoN @
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| se F
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| W 9 11 12 LOSS op Cn OWACP To PACILITY h tvPC CE SCPtP floN v
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| Lu.2; I zl@l FA 7
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| 4 3 10 Lua.1 LN,,f@l EtCHiPTeoN isauf NA l
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| lllllllll118 !
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| 68 49 7
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| 4 3 to NAME OF PREPARER RHOP'E:
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| o,: :-
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| Tennessee Valley Authority Fora BF-17 Browns Ferry Nuclear Plant BF 15.2 1/10/79 LER SUPPLE.7NTAL INFORMATION BFRO 296 /
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| 80040 Technical Specification Involved 3.9.B.2 Reported Under Technical Specif'2ation
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| : 6. 7. 2.b( 2)
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| Date of Occurrence 10 10/80 Time of Occurrence 1:00 a.m. Unit - 3 Identification and Description of Occurrence:
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| With unit in. steady state operation, it was discovered that the "3EB" diesel generator lube oil circulating pump was inoperable.
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| :- Conditions Trior to Occurrence:
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| Unit 1 - 98% steady state power.
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| Unit 2 - Scheduled refueling outage.
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| Unit 3 - 99%. steady state power,
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| Action specified in the Tech 2ical Specification Surveillance Requirements met due to.noperable equipment. Describe.
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| Required Tech. Spec. redundant systems were tasted..
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| Apparent Cause of Occurrence:
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| Bearings in the oil circulating pump locked due to norma 2 end-of-life.
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| t Analysis of Occurrence:
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| There was no danger,to the health or safety of the public, no damage,to plant or equipment, no release of activity, and no significant resulting
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| ~
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| chain of events.
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| ==Corrective Action==
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| The oil circulatin' pump was replaced. No future corrective action is required s
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| due to low failure rate.
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| Failure Data:
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| NA l
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| l
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| * Retention:
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| eriod - Lifetime; Responsibility - Administrative Supervisor l
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| l
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| * Revision:
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| 0
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| =-
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| }}
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| {{LER-Nav}}
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