As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT SMELLED SMOKE / ELECTRICAL BURING ODOR IN CABIN AFTER A LIGHTENING STRIKE OCCURED AT 9, 0000 FEET. THE ODOR WAS STRONGEST IN THE AFT GALLEY AREA. MAINTENANCE ACCOMPLISHED SMOKE / ODOR / FUME TROUBLESHOOTING TASK CARD AND DETERMINED THAT THA APU WAS THE SOURCE OF THE ODOR DUE TO EVIDENCE OF OIL AT AND AROUND THE APU INTAKE AREA. MAINTENANCE REPLACED THE APU PER TASK CARD AALA202301067729 DUE TO FINDING OIL LEAKING FROM THE COMPRESSOR SEAL DRAIN PORT.