What was found
OBNOXIOUS ODOR LIKE WD-40 COMING FROM AC SYSTEM WHEN PACKS 1 AND 2 ARE RUNNING OFF APU AIR. RAN PACKS OFF NR 1 AND NR 2 ENG AND OFF APU BLEED. NO ABNORMAL ODORS IN CABIN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OBNOXIOUS ODOR LIKE WD-40 COMING FROM AC SYSTEM WHEN PACKS 1 AND 2 ARE RUNNING OFF APU AIR. RAN PACKS OFF NR 1 AND NR 2 ENG AND OFF APU BLEED. NO ABNORMAL ODORS IN CABIN.