As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 504 SAN-PHX - FUMES/CABIN ODOR - FLIGHT ATTENDANTS REPORTED A DIRTY SOCK SMELL DURING CLIMB AND DESCENT THROUGHOUT THE AIRCRAFT, BUT NO SMELL WAS NOTED IN THE COCKPIT. MAINTENANCE FOUND THE APU LEAKING OIL AT THE CASE SPLIT LINE FORWARD OF THE APU INTAKE. REMOVED AND REPLACED APU.