Root-cause tool with a validator to catch a confidently wrong LLM: 60% blind vs 100% tuned

MediaPositive4282 · reddit · 2026-10-06

Built with Claude Code, AeroTrace-RCA takes flight sensor CSVs and explains failures: 5 detectors per sensor, a local Qwen 2.5 14B proposes root causes, and a separate validator that can only say 'no' filters them. Honest numbers: 6/6 on tuned flights, but 3/5 (60%) top-1 accuracy on blind held-out flights and just 1/5 under strict all-or-nothing scoring. Lesson: hold out data, score strictly, publish the low number.

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