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RRAS Nuclear Safety Advisory Letters

Nuclear Safety Advisory Letters notify nuclear power plants of the results of a Westinghouse 10CFR21 evaluation of an issue potentially affecting safety.

A condensed list of Nuclear Safety Advisory Letters particularly relevant to RRAS systems and products is given below.

For a complete list of Nuclear Safety Advisory Letters or copies of particular letters, contact your RRAS Nuclear Parts Specialist.

Westinghouse also offers a password protected website containing these Nuclear Safety Advisory Letters, as well as Technical Bulletins and InfoGrams. Please complete the form below and return as indicated on the form for access to the site.

Regulatory Compliance & Plant Licensing Web Site
User Agreement and ID Request Form

Number Subject
1994  
94-024, R1 DS Circuit Breaker Failure to Latch Closed on Demand
94-012 Circuit Breaker Reset - LOCA With Subsequent Loss of Offsite Power
1996  
96-002 Rod Ratcheting
96-006 R1 Transformer Cracking
1997  
97-004 Inverter Capacitor Brackets
97-006 Motor Control Center Spacers
97-007 R1 Breaker Trip Settings
97-011 P-11 Surveillance Testing
1998
98-009 DB-50 Breaker Failure to Close
98-010 Ice Condenser Basket Bottom Welds
98-012 Ice Condenser Ice Basket Sheet Metal Screws
1999
99-005 Reactor Coolant Pump Operation During Loss of Seal Injection
99-007 AR/ARD Relay Seismic Qualification
99-010 Relay Low Current Applications
2000
00-001 Ice Basket Clevis Bracket Gap Effects
00-008 Reactor Coolant Loop Flow Asymmetry
00-014 Potential Light Socket Cracking
2001  
01-6 Amptector Wiring Discrepancy
01-7, R1 Elevated In-Core Instrument Thimble Support Plate
2002  
02-7 DB-50 Failure to Close
02-9 FB/HFB and FD/HFD Molded Case Circuit Breakers With Undersized Terminal Lugs
02-12 Undersized Washers in Differential Pressure Switches
02-13 Fatigue Life of CE Steam Generator Primary Manway Studs
02-15 Differential Pressure Switches With a Glass Lens Not Seismically Qualified