As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 8202900) DURING INSPECTION FOUND ELECTRICAL ARC DAMAGE 3FT AFT OF L1 DOOR AT LAP JOINT -ARC CAUSED DUE TO POWER CORD INSTALLED UPSIDE DOWN + ENERGIZED AIRCRAFT ARCED TO AUTO LEVEL ARM ON JETWAY. MAINTENANCE REPAIRED DAMAGE PER ERA 596192-14.