Astrobotic's report highlights that the failure of a singular helium pressure control valve, 'PCV2,' was the likely cause of the Peregrine lander's anomaly, leading to its incineration during entry.
The decision to not repair PCV2, despite its hidden location, was influenced by the need to avoid delaying the launch schedule, despite the ultimate risk of failure raised in earlier assessments.
Astrobotic's previous collaboration with another vendor for the propulsion system raised concerns when issues were noted, prompting the company to bring the development in-house with its own challenges.
Despite having passed tests, the risk assessment for PCV2 was not thorough enough to consider the long-term implications, which contributed to the eventual loss of the lander.
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