As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HAD AN ABNORMAL ODOR COMING FROM THE AIR CONDITIONING AT LOW POWER SETTINGS. PERFORMED SMOKE/ODOR IN THE FLIGHT DECK/CABIN, CONDITIONAL INSPECTION UP TO AND INCLUDING STEP 1.C 2. (D) REF AMM 05-51-26-800-801-C1. NO DEFECT FOUND. OPS PACKS WITH APU BLEED AND ENGINE BLEED. COULD NOT DUPLICATE FOUL ODOR IN EITHER CONFIGURATION. ACFT OK FOR SERVICE.