I can't name my team's top 3 skill gaps without guessing. Can you?

An engineering manager at a healthcare company realized he had no data-driven visibility into his team's skill development, despite tracking extensive system metrics. After a failed spreadsheet attempt and missing key signals like stalled goals, ineffective feedback loops, and employee disengagement, he built a self-assessment scoring himself 58 out of 100 across skill visibility, feedback cadence, goal health, and retention risk.