As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1070 - PIT-PHL - BURNING SMELL - ECAM DISPLAYS CONDITION TRIM AIR SYSTEM FAULT & TRIM AIR HIGH PRESSURE. BURNT SMELL IN CABIN. FOUND TEMP SYSTEM UNRESPONSIVE TO TEMP SELECTOR. CLEANED ALL THREE ZONE SENSORS. OPERATIONAL TEST OF CABIN AND COCKPIT TEMP CONTROL WAS GOOD. BITE TEST OF TEMP CONTROLLER WAS GOOD. NO SMELL IN CABIN.