As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURN SMELL. FOUND BURNT WIRE HARNESS (W311) AT LH PDU CONNECTING TO THE GPU POWER RECEPTACLE. REMOVED AND REPLACED THE LPDU EXTERNAL POWER RECEPTACLE, AND HARNESS W311 REF PHENOM 300 AMM 24-65-01 AND 24-41-00 PERFORMED OPS CHECKS OPS CHECKED GOOD. AMM 24-61-00