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| {{Adams
| | #REDIRECT [[05000317/LER-1980-048-01, /0LT-0:on 800903 During Maint for Control Room 12 Air Conditioner,Unit 11 Compressor Was Not Running & Later Tripped on Overload.Faulty Reset Switch Replaced & Procedures Revised to Require Check of Air Conditioner]] |
| | number = ML20010G684
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| | issue date = 09/07/1981
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| | title = Control Room Air Conditioner 11 Compressor Tripped on Overload Following Start for Maint on Unit 12.Caused by Faulty Reset Switch on Overload for Unit 11 Compressor.Switch Replaced
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| | author name = Lheureux R, Wenderlich R
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| | author affiliation = BALTIMORE GAS & ELECTRIC CO.
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
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| | docket = 05000317
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| | license number =
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| | contact person =
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| | document report number = LER-80-048-01X, LER-80-48-1X, NUDOCS 8109220407
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| | package number = ML20010G680
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 1
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| }}
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| {{LER
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| | Title = Control Room Air Conditioner 11 Compressor Tripped on Overload Following Start for Maint on Unit 12.Caused by Faulty Reset Switch on Overload for Unit 11 Compressor.Switch 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 = 05000317
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| | LER year = 1980
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| | LER number = 48
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| | LER revision = 1
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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:NRC FORT 9 366 U. S. NUCLEAR CE;ULATC7.Y COMMISSION (7 77)'
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| LICENSEE EVENT REPORT UPDATE REPORT PREVIOUS REPORT D'
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| d 09-17-80 CONTROL BLOCK: l l
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| l l
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| 1 ldh
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| . (PLEASE PRINT CP TYPE ALL REQUtT.ED INFCRM '
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| #N) 1 e
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| lo l i l l M I o f C l C I N l 1 l@15i 0 I O l - l 0 l 0 l 0 l 0 l 0 l - l 0 l o l@l 4 l 1 l1 l1 l -
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| l l@
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| 7 8 9 LICENSEE CODE 14 LICENSE NUMBER 26 26 LICENSE TYP 57 CAT b6 q
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| CON'T lolil
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| %" "C I L l@l 01510101013 l 117 l@l 01910 l318 l o l@L/ 91 01 vi al il@
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| 7 8
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| 60 61 DOCKET NUM'IER 68 69 EY?NT CATE 74 7'
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| HE. PORT DATE 8"
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| EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lo121 L Durina normal operation. #12 Control Room Air Conditioner was stooned l
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| l0 lal I for maintenance and #11 was started. Twelve minutes later it was dis-l 10141 l covered that the compres sy for #11 unit was not runnint. Two minutes 1
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| 10151l later it was discovered that the compressor had tripped on overload.
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| I 10 is l l The overload was re et at that time and the unit then started. Momen-
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| [o I7l l tarily, both units _liad been inoperable which is a violation of T.S.
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| I 1018 I I 3.7.6.1.
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| LER 80-38 describes a similar event.
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| __ }
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| 80 7
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| 8 9 C DE CODE S BC E COMPONENT CODE SUBCODE SU DE l S l G lh Wh l Alh l Cl Kl Tl Bl Rl Klh [E,jh d h 7
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| 8 9
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| 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION L
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| EVENT YE A'1 REPORT NO.
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| CODE TYPE N O.
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| @ a=ER!RO 1 81 01 l _]
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| I 01 41 81 l.dj l011l Lx_]
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| l-1 11I
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| . 21 22 23 24 26 27 28 29 30 31 32 N AC ON PL NT MET J
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| HOURS SB IT FO 8.
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| SUPPLIER MANUF CTURER l A I@Lcl@
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| l zl@
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| U@
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| lofofol01 LN,j @
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| W@
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| [_A_j@
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| l C l 7 l 7 l 0 l@
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| 33 34 35 36 3/
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| 40 41 42 43 A4 47 CAUSE DESCRIPliON AND CORRECTIVE ACTIONS lilol L A faulty reset switch on the overload for #11 Air Conditioning com-l 1
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| i l
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| pressor was found during investigation. The resei. switch was replaced.
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| J i 7 l
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| Plainc procedures have been revised to require an operability ched
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| _j lil3l l of the idle Control Room Air Conditioner before securing the operating I
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| I gl unit.
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| 80 7
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| 8 9 ST S
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| % POWER OTHEa STATUS blS O RY DI'COVERY DESCRIPTION dA l
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| l_A_j@l Operator Observation l
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| l ' ! 5 l (_E,jh l Il 0l Ol@l ACTIVITY CC TENT RELEASED OF RELEASE AMOUNT OF ACTi\\ ITY LOCATION OF RELE ASE l
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| NA l
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| l NA LzJ @ L zJ@l i e 7
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| 8 9 10 11 44 45 80 PERSONNEL FXPoSURES NUMBER TYPE DESCRIPTION -
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| l l010l0lhlZlhl NA i 7 PE RSONNE L INJURIES 4 UMBER CESCRIP TION l
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| ITT l 10 l 010 l@l__
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| NA 80 7
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| 8 9 11 12 LOSS OF OR DAMAGE To FACILITY h TYPE
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| ==DESCRIPTION==
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| U l
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| M lp@l NA 80 8109220407 810909 h
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| PDR ADOCK 05000317 NRC L"sE ONLY gg3yg @DESCRIPDON g
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| l;;;;;;;;i;;lj l
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| NA s
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| PDK 2 o 58 69 80 5 7
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| 8 9 10 R. L. Wenderlich/R. W. L'Heureux
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| @O E4WM
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| {
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| pggyg NAME OF PREPARER
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| }}
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| {{LER-Nav}}
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