As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: ON APPROACH AT AROUND 10,000 FT NOTED SMOKE ODOR AND HAZE IN COCKPIT FLIGHT ATTENDANT NOTED AS WELL. ACCOMPLISHED J/C 72L00021001 FOUND LEFT HAND ACM SEIZED. REMOVED AND REPLACED LEFT HAND ACM-AIR CYCLE MACHINE (AALA202602024265) AND LEFT HAND LOW LIMIT VALVE (AALA202602024117). PER AMM 21-52-02 21-52-30. OPS CHECK NORMAL.