As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT HIGH POWER SETTING ON TAKEOFF AND LANDING A HOT INSULATION SMELL CAME THROUGH THE AIR CONDITIONING SYSTEM AT HIGH ALTITUDE. EVERYTHING WAS FINE. ALL INSTRUMENTS WERE NORMAL. REPLACED LEFT AND RIGHT WATER SEPARATOR COALESCERS PER MM 21-51-16. RAN LEFT AND RIGHT ENGINE TO TAKEOFF PER MM 71-00-00-5. NO HOT INSULATION SMELL NOTED. OK FOR COASTER.