As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SPARKS COMING FROM UNDER PILOT SIDE INBOARD SUBPANEL AFTER ROTATION AND GEAR RETRACTION. MAINTENANCE REPAIRED WIRING OFF OF THE BEACON SWITCH OPS CHECK NORMAL REROUTED WIRING AWAY FROM STRUCTURAL SUPPORT. SYSTEM OPS CHECKED GOOD.