As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOG PAGE 8238703 - FLT 504-PHX - BURNING SMELL - BURNT SMELL COMING FROM CABIN ROWS 3 TO 11 OVERHEAD AREA WHEN WARM AIR IS SELECTED. NO EVIDENCE OF ELECTRICAL SMELL FOUND. / SUBSEQUENT EVENT ON THE FOLLOWING DAY, LOG PAGE 8238703, FLT 544-PHX - UPON START OF DESCENT, FLIGHT ATTENDANT REPORTED ELECTRICAL WIRE ODOR AROUND ROW 8. ODOR IN COCKPIT REPORTED AS A DIRTY SOCK SMELL. MAINTENANCE REPLACED BOTH RECIRCULATION FILTERS.