As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES THROUGHOUT ACFT AFTER SHUTDOWN OF NR 2 ENGINE AND OPENING APU BLEED. RAN APU & BLEED TO VERIFY ODOR IN CABIN, ACCOMPLISHED INSPECTION IAW AMM 05-50-00-810-831-A. OPS APU FOR EXTENDED PERIOD & PACKS USING APU BLEED. NO ODORS NOTED DURING OPS.