As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF AND CLIMB, FUME LIKE SMELL IN THE COCKPIT AND THROUGHOUT THE CABIN. THE SMELL DISSIPATED TOWARDS TOP OF CLIMB AND CRUISE. THE SMELL APPEARED TO DISSIPATE WITH THE R PACK OFF DURING THE CLIMB. THE SMELL RETURNED ON THE DESCENT, SMELL ALMOST ELIMATED W/R PACK OFF. C/W - AMDS WORK CARD 0550-2001 AND A220 EFIM SOLUTION ID 1-8458. OROR NO LONGER PRESENT. A/C OK FOR SVC. (LP# 6660584)