As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOXIOUS ODORS IN THE COCKPIT. EXECUTED PHASE ONE PROCEDURES FOR FUMES IN THE COCKPIT. AFTER REMOVAL OF GASPER FAN, VERIFIED FAN WAS BAD. REMOVED AND REPLACED GASPER FAN IAW M/M 21-23-011-4. ALSO, REMOVED AND REPLACED GASPER FAN C/B C818 PER SMP AND WDM 21-11-01. GASPER FAN OPS CHECKS NORMAL IAW MM 21-23-011-4.