Lifecycle read — the failure-mode lens
The 1FK7060-5AH71-1SB0: For a Reliability Engineer framing the decision, the Pareto question is straightforward: spares held against the line must cover the meantime between failures of the installed fleet, and an EOL-hot part compresses the supply curve, so the spares inventory either steps up now or the replacement motor (with its own commissioning window) becomes the planned spare.