As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
28 VOLT DC CHARGER HAD BRIEF ELECTRICAL ODOR WHEN PLUGGED INTO SERVICE OUTLET. REMOVED AND NO LONGER HAD ODOR THOUGH OUTLET PLUG NO LONGER HAS GROUND ATTACHED. ACFT GROUNDED. 28 VOLT DC CHARGER IS INOPERATIVE, GROUND CONNECTOR BROKEN. IAW WDM 25-29-11, CONFIRMED 28 VDC AT CONTROL CABIN DC SERVICE OUTLET P6-6. OPS TEST NORMAL.