All 7 MPN errors cleared by replacing generic parts with stocked MPNs:
- Replaced R5 and R7 with Yageo RC0603FR-074K7L (4.7 kΩ)
- Replaced R8 and R9 with Yageo RC0603FR-075K1L (5.1 kΩ)
- Replaced C9 and C10 with Samsung CL10B104KB8NNNC (100 nF, 50 V)
Schematic hygiene enhanced: net labels normalized for USB_VBUS_IN, 5V_PROT, 3V3, SDA, SCL, UART_TX, UART_RX, GND and all tie connections corrected.
Manual routing checklist delivered to guide clearing the 34 airwires.
Post-layout review shows 0 remaining airwires and no MPN errors.
BOM updated to reflect all replaced components.