Skip to main content

Alert

The NRC is shutdown due to the lapse in appropriations. Exempted activities to maintain critical health and safety activities and progress on critical activities, including activities outlined in Executive Order 14300, as described in the OMB Approved NRC Lapse Plan will continue.

Bulletins: 1977 Index

Document NumberTitleRevisionPublish DateRevision Date
BL-77-08Assurance of Safety and Safeguards During an Emergency – Locking Systems--12/28/1977--
BL-77-07Containment Electrical Penetration Assemblies at Nuclear Power Plants under Construction--12/19/1977--
BL-77-06Potential Problems with Containment Electrical Penetration Assemblies--11/22/1977--
BL-77-05Electrical Connector Assemblies111/14/1977--
--11/08/1977--
BL-77-04Calculational Error Affecting ...Performance of a System for Controlling pH of Containment Sump Water Following a LOCA--11/04/1977--
BL-77-03On-Line Testing of the Westinghouse W Solid State Protection System (SSPS)--09/12/1977--
BL-77-02Potential Failure Mechanism in Certain Westinghouse (W) AR Relays with Latch Attachments--09/12/1977--
BL-77-01Pneumatic Time Delay Relay Setpoint Drift--04/29/1977--

Page Last Reviewed/Updated Tuesday, March 09, 2021

Page Last Reviewed/Updated Tuesday, March 09, 2021