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Y 3.N 88:56-2/93-57
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Software problems involving digital control console systems at non-power reactors. |
1 |
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Y 3.N 88:56-2/93-58
|
Nonconservatism in low-temperature overpressure protection for pressurized-water reactors. |
1 |
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Y 3.N 88:56-2/93-59
|
Unexpected opening of both doors in an airlock. |
1 |
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Y 3.N 88:56-2/93-60
|
Reporting fuel cycle and materials events to the NRC Operations Center. |
1 |
|
Y 3.N 88:56-2/93-61
|
Excessive reactor coolant leakage following a seal failure in a reactor coolant pump or reactor recirculation pump. |
1 |
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Y 3.N 88:56-2/93-62
|
Thermal stratification of water in BWR reactor vessels. |
1 |
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Y 3.N 88:56-2/93-63
|
Improper use of soluble weld purge dam material. |
1 |
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Y 3.N 88:56-2/93-64
|
Periodic testing and preventive maintenance of molded case circuit breakers. |
1 |
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Y 3.N 88:56-2/93-65
|
Reactor trips caused by breaker testing with fault protection bypassed |
1 |
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Y 3.N 88:56-2/93-66
|
Switchover to hot-leg injection following a loss-of-coolant accident in pressurized water reactors. |
1 |
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Y 3.N 88:56-2/93-67
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Bursting of high pressure coolant injection steam line rupture discs injures plant personnel. |
1 |
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Y 3.N 88:56-2/93-68
|
Failure of pump shaft coupling caused by temper embrittlement during manufacture. |
1 |
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Y 3.N 88:56-2/93-69
|
Radiography events at operating power reactors. |
1 |
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Y 3.N 88:56-2/93-70
|
Deradation of boraflex neutron absorber coupons. |
1 |
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Y 3.N 88:56-2/93-71
|
Fire at Chernobyl Unit 2. |
1 |
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Y 3.N 88:56-2/93-72
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Observations from recent shutdown risk and outage management pilot team inspections. |
1 |
|
Y 3.N 88:56-2/93-73
|
Criminal prosecution of nuclear suppliers for wrongdoing. |
1 |
|
Y 3.N 88:56-2/93-74
|
High temperatures reduce Limitorque AC motor operator torque. |
1 |
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Y 3.N 88:56-2/93-75
|
Spurious tripping of low-voltage power circuit breakers with GE RMS-9 digital trip units. |
1 |
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Y 3.N 88:56-2/93-76
|
Inadequate control of paint and cleaners for safety-related equipment. |
1 |
