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Arecibo Observatory Auxiliary M4N Socket Termination Failure InvestigationThe NASA Engineering and Safety Center (NESC) was requested to support the Arecibo Observatory failure investigation in determining the root cause of the Auxiliary M4N cable failure. The NESC and Kennedy Space Center led an integrated NASA investigation with support from Marshall Space Flight Center and The Aerospace Corporation that included forensic investigation of failed hardware, finite element modeling, materials characterization, and root cause analysis. This document contains the outcome of the NESC Assessment.
Document ID
Acquisition Source
Langley Research Center
Document Type
Technical Memorandum (TM)
Gregory Harrigan
(Langley Research Center Hampton, Virginia, United States)
Azita Valinia
(Goddard Space Flight Center Greenbelt, Maryland, United States)
Nathan Trepal
(Kennedy Space Center Merritt Island, Florida, United States)
Pavel Babuska
(The Aerospace Corporation El Segundo, California, United States)
Vinay Goyal
(The Aerospace Corporation El Segundo, California, United States)
Date Acquired
June 24, 2021
Publication Date
June 1, 2021
Subject Category
Structural Mechanics
Report/Patent Number
Funding Number(s)
WBS: 869021.
Distribution Limits
Portions of document may include copyright protected material.
Technical Review
Professional Review
Zinc Spelter Sockets
Arecibo Observatory
Auxiliary M4N Cable Failure
NASA Engineering and Safety Center
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