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Verified the actual PDF cover pages: FMD-91 (ADA259655) and NPRD-91 (ADA242083) carry "© 1991, IIT Research Institute. All Rights Reserved" plus a DoD "distribution unlimited" statement. The distribution statement permits obtaining/reading the document, NOT reproducing its tables in a commercial product — treat like DIN/ISO. The earlier P1 docs wrongly labelled them "public domain" (an unverified research claim). - Correct the licence in fmea_data_sources.go note + mil_std_1629a_fmeca.md + fmd91_nprd_failure_modes.md (read-reference only; tables NOT reproduced). - The bp_iace_fmea_kb collection was deleted from Qdrant (the mislabelled doc removed); methodology docs (MIL-STD/NASA, genuine PD) not re-ingested pending review. The Go methodology module (own scales, MIL-STD-anchored) is unaffected and stays. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>