Narrative:

[A] container loaded in front part of aft cargo and wasn't locked in. [The] container came in from ZZZ and was never offloaded. Had this container shifted back during takeoff; [the result] could have been catastrophic. Not only was this container not offloaded in phl; it wasn't relocked or checked prior to departure to ZZZ1. [The] container weighed 1;400 kg.

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Original NASA ASRS Text

Title: A Boeing 767 Captain reported a cargo container was improperly secured in the aft cargo area.

Narrative: [A] container loaded in front part of aft cargo and wasn't locked in. [The] container came in from ZZZ and was never offloaded. Had this container shifted back during takeoff; [the result] could have been catastrophic. Not only was this container not offloaded in PHL; it wasn't relocked or checked prior to departure to ZZZ1. [The] container weighed 1;400 Kg.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.