05000336/LER-1980-025-03, /03L-0:on 800712,during Inservice Operability Testing,Turbine Driven Auxiliary Feed Pump Tripped Below Normal Trip Setpoint.Caused by Normal Wear of Emergency Tappet Nut.Nut Adjusted to Improve Contact W/Trip Lever

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/03L-0:on 800712,during Inservice Operability Testing,Turbine Driven Auxiliary Feed Pump Tripped Below Normal Trip Setpoint.Caused by Normal Wear of Emergency Tappet Nut.Nut Adjusted to Improve Contact W/Trip Lever
ML19338C439
Person / Time
Site: Millstone Dominion icon.png
Issue date: 08/07/1980
From:
NORTHEAST NUCLEAR ENERGY CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19338C436 List:
References
LER-80-025-03L, LER-80-25-3L, NUDOCS 8008150410
Download: ML19338C439 (1)


LER-1980-025, /03L-0:on 800712,during Inservice Operability Testing,Turbine Driven Auxiliary Feed Pump Tripped Below Normal Trip Setpoint.Caused by Normal Wear of Emergency Tappet Nut.Nut Adjusted to Improve Contact W/Trip Lever
Event date:
Report date:
3361980025R03 - NRC Website

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JB [ During inservice operabili_ty testing, the turbine driven auxiliary feed pump tripped 1 "

t [g l 670 rpm below the normal trip setpoint preveriting completion of surveillance require-l JB 1 mentsjer Technical Specification 4.7.1.2.b.2.

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