05000348/LER-1980-017-03, /03L-0:on 800222,while Manually Starting Turbine Driven Auxiliary Feedwater Pump,Turbine Tripped on Overspeed.Caused by Limit Switch Being Out of Adjustment. Limit Switch Adjusted & Feedwater Pump Returned to Svc

/03L-0:on 800222,while Manually Starting Turbine Driven Auxiliary Feedwater Pump,Turbine Tripped on Overspeed.Caused by Limit Switch Being Out of Adjustment. Limit Switch Adjusted & Feedwater Pump Returned to Svc

ML19312D513
Person / Time
Site:	Farley
Issue date:	03/14/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19312D498	List: 05000348/LER-1980-015-03, /03L-0:on 800217,after Tying Main Generator Onto Grid,Deh Sys Malfunctioned Causing Load Increase,Resulting in Avg Decreasing to 539 F.Cause Under Investigation.Deh Placed in Manual to Stop Load Increase 05000348/LER-1980-016-03, /03L-0:on 800215,while Performing Surveillance Test Procedure FNP-1-STP-22.17,TDAFWP Thrust Bearing Exceeded 160F.Caused by High Bearing Oil Level After Maint on Thrust Bearing.Oiler Assembly Repositioned 05000348/LER-1980-017-03, /03L-0:on 800222,while Manually Starting Turbine Driven Auxiliary Feedwater Pump,Turbine Tripped on Overspeed.Caused by Limit Switch Being Out of Adjustment. Limit Switch Adjusted & Feedwater Pump Returned to Svc ML19312D497
References
LER-80-017-03L, LER-80-17-3L, NUDOCS 8003240528
Download: ML19312D513 (1)

LER-1980-017, /03L-0:on 800222,while Manually Starting Turbine Driven Auxiliary Feedwater Pump,Turbine Tripped on Overspeed.Caused by Limit Switch Being Out of Adjustment. Limit Switch Adjusted & Feedwater Pump Returned to Svc

Event date:
Report date:
3481980017R03 - NRC Website

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TTTT) ] on overspeed. The TDAniP was declared inoperabic at 0600 on 2/22/80. Tech. Spec.

l TTTT] l 3.7.1.2 requires the TDARIP to be operable. T/S 3.7.1.2 action statement requirementsg The health and safety of the public were not af fected by this occurrence.

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} s io l lThe overspeeding of the TDAniP was caused by a limit switch nn the turbine steam g

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to service at 1300 on 2/22/80 af ter satisfactory completion of FNP-1-STP-22.0, TDARIP p

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Oil level restored to the proper level, and the surveillance test successfully completed. The pump was returned to service at 2130 on 2/15/80.

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