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| {{Adams
| | #REDIRECT [[05000317/LER-1979-017-03, /03L-0 on 790515:during Overspeed testing,12 Diesel Generator Auxiliary Blowers Failed,Rendering Diesel Inoperative.Caused by Interference Between Lobes of Blower. Blower Returned to Vendor for Rebuilding]] |
| | number = ML19345E162
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| | issue date = 06/21/1979
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| | title = /03L-1:on 790515,during Performance of Overspeed Testing,Diesel Generator 12 Auxiliary Blower Failed.Returned to Svc 790523.Cause of Failure Due to Thermal Growth & Subsequent Contact Between Lobes & Power Housing
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| | author name = Lagiewski J, Umsted J
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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-79-017-03L, LER-79-17-3L, NUDOCS 8012230366
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| | package number = ML19345E160
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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 = /03L-1:on 790515,during Performance of Overspeed Testing,Diesel Generator 12 Auxiliary Blower Failed.Returned to Svc 790523.Cause of Failure Due to Thermal Growth & Subsequent Contact Between Lobes & Power Housing
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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 = 1979
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| | LER number = 17
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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:NRC FORM!363 U. S. NUCLEAR REGULATORY COMMISSION h
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| LICENSEE EVENT REPORT CONTROL BLOCK: l l
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| l l
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| l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6
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| 7 8 3 LICENSEE CODE 14 15 LICENSE NLMSER 25 is LICENSE TYPE JO
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| 8 60 61 OOCK ET NuMS ER 68
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| $9 EVENT 0 ATE 74 75 REPORT C ATE 80 l
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| EVENT DESCRIPTION AND PRC8ASLE CONSEQUENCES h t o 121 l During cerformance of oversoeed testina 12 diesel cenerator auxiliary I
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| ioi3; I blower failed at 0930. Ofesel generators 11 and 21 were tested and i
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| 10 4l l assicned to U-2 which was ooeratino at 100". cower. At 2330 on 5-16-79 l
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| lo isi l 11 diesel cenerator was reassigned to U-l to facilitate fuel movement.
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| l 1o is i i Ucon comoletion of core alteration 11 diesel generator was again as-l l o 171 i signed to U-2 at 0821 on 5-17-70.
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| 12 diesel generator was returned to l
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| io !s i i service at 1430 on 5-23-79. This is not a recetitive occurrence.
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| 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h li io i l Blower failed due to thermal gwth and subsequent contact between lobes i
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| ii iil l and blower housing. Heat rise was caused by running the engine in an i
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| overspeed test for an extended period. A caution has been added to the i
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| i,i,i l Diesel Generator Operating Instructions to prevent recurrence.
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| 8 9 to 68 69 80 ;
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| .$. laciewskf/J.M. L5sted (301) 269-4747/4670 E,
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| PsONg:
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| NAVE OF PREPARER
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| }}
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| {{LER-Nav}}
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