The directive noted: "A cracked memory substrate may not be detectable via standard built-in-test (BIT) systems. Physical X-ray inspection is required at the next C-check."
By Aviation Safety & Investigative Desk
This article delves into the specific incident that generated that search term, the technical implications of a cracked memory module, and why December 2021 became a critical month for understanding the fragility of crash-survivable memory. While December 2021 saw routine flights across the globe, the keyword spike refers to the publication of a final investigation report (dated December 9, 2021) by a European aviation safety authority regarding a serious incident that occurred earlier in the year, not necessarily in December itself. However, the release of the findings in December 2021—specifically highlighting a cracked black box—is what triggered the search interest. black box a330 crack 12 2021