As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ACFT PACKS SMELL BAD INFLIGHT AT FLIGHT IDLE POWER SETTING. PERFORMED TSM TASK 05-50-00. INSPECTED AIRFRAME FOR FLUID LEAKS WITH NO FAULTS FOUND. R & R RECIRCULATING FILTERS IAW AMM 21-21-41. RAN BOTH PACKS WITH ACFT SEALED, NO ODORS PRESENT. OK FOR SVC.