As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR REPORTED IN CABIN BY FLIGHT ATTENDANT JUST PRIOR TO PUSHBACK. PERFORMED JOB CARD 26L00021001. FOUND SOURCE OF ODOR TO BE FROM THE APU. APU COMPARTMENT WAS SOMEWHAT MOIST WITH OIL RESIDUE. R & R TURBINE CAVITY VENT O RINGS IAW MM 49-91-53 & WASHED APU IAW AMM 49-16-00-100-001. NO LEAKS NOTED, COMPLIED WITH DECONTAMINATION JOB CARDS.