As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DESCENDING THROUGH 6000FT-PERFORMED TSM 05-50-00-810-821-A FOUND EVIDENCE OF OIL IN PACK 1 NOY PACK 2 . PACK 1 WAS REMOVED/ REPLACED SEE LOG PAGES FROM 3316117 TO 3316120. PACK 2 DMI WILL BE CLEAR NO LEAKS NOTED! A/C OK SERVICE!