Apart from Status History (under View menu) and Status Comments (under each & every Change Stage), technicians are also provided with Change History tab that keeps track of every single event that happens within the Change.
To view Change History,
Select History Tab (within the Change)
Click Show All button
History will be displayed day-wise
Proceedings of a particular day alone can also be viewed using Expand/Collapse buttons (present at the right extreme)
Property View allows technicians to view Change History based on Change Attributes like Technician, Title, Created Time, Scheduled End Time etc.,
You can alternate between Day View & Property View using the respective links
Note: Day View will be selected by default.