As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT REPORTED STRONG ODOR IN CABIN. APU WAS RUNNING. SHUT DOWN APU. FOUND APU GENERATOR T1 FEEDER CABLE WIRE BURNT AT GENERATOR. REPLACED CABLE. RAN ENGINE. NO ODOR NOTED. AC OK FOR SERVICE. SUPPLEMENTAL ACTION SECT 4: INSPECTED FEED WIRES AND TERMINAL ENDS IAW 49-11-00. NO DAMAGE NOTED. RAN ENGINE. NO ODOR NOTED. AC OK FOR SERVICE.