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| {{Adams
| | #REDIRECT [[05000249/LER-1982-030-03, /03L-0:on 820716,transient in-core Probe Ball Valve 3A Failed to Reclose After Opening.Cause Will Be Resolved During Next Outage.Valve Will Be Replaced & Supplemental LER Submitted When Cause Determined]] |
| | number = ML20028C200
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| | issue date = 12/08/1982
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| | title = 3A TIP Ball Valve Failed to Reclose After Opening During Valve Exercise.Cause Unknown.Limit Switches & Ball Valve Replaced & Successfully Tested
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| | author name = Morgan W
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| | author affiliation = COMMONWEALTH EDISON CO.
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
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| | docket = 05000249
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| | license number =
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| | contact person =
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| | document report number = LER-82-030-03X, LER-82-30-3X, NUDOCS 8301070193
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| | package number = ML20028C196
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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
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| | Title = 3A TIP Ball Valve Failed to Reclose After Opening During Valve Exercise.Cause Unknown.Limit Switches & Ball Valve Replaced & Successfully Tested
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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 = 05000249
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| | LER year = 1982
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| | LER number = 30
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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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| l evnw runni aoo U. S. NUOLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT OU RE ORT DATE:
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| 7/16/82 CONTROL SLOCK: {,l l
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| l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI 1
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| 60 61 3OCKET NUWS ER 68 09 -
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| EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PRC8ABLE CONSEQUENCES h lo62l lDurine normal operations while exercising the TIP ball valves, 3A TIP ball valve l
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| ;o93; l failed to reclose after opening (Tech. Spec. 3.7.D.1).
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| This was of minimal safety l
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| I o r A I l significance since the TIP shear valve was available to isolate the TIP if necessary. l lo isi I There was no effect on public health or safety. Last occurrence of this type reported; I o is 1 J by R.O. 77-17 on Docket 50-237.
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| ==CAusE==
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| CAUsE COMP.
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| VALV E CCCE CODE susCCDE COMPONENT CODE sVSCCDE suSCODE
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| CODE TYPE No.
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| 37 40 41 42 43 44 47 CAuSE DESCRIPTION AND CORRECTIVE ACTIONS @
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| lilolISpecific cause was unknown. Limit switches and ball valve were replaced and success-I Iiiil lfullv tested for operability. DOS 1600-8 will continue to be performed weekiv. The I
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| g l.25 inch solenoid activated valve is supplied by General Pneumatic Corporation.
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| e 3 to 68 69 80 5 Wayne Morgan 815-942-2920, X-489 o
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| NAME OF PREPARER PHON E:
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| SUPPLEMENT TO DVR DVR NO.
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| STA UNIT.
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| YEAR NO.
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| D-12 3
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| :- 82
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| :- 49 PART I l TITLE OF EVENT OCCURRED Failure of 3A TIP Ball Valve DATE TIME
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| {
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| REASON FOR SUPPLEMENTAL REPORT l
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| To update the cause and corrective action for the failure of 3A TIP Ball Valve to close, PART 2 l ACCEPTANCE BY STATION REVIEW
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| DATE
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| }}
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| {{LER-Nav}}
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