As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN COCKPIT DURING CLIMB OUT. DUCT TEMP WENT BOXED AMBER 225 DEGREES. FOLLOWED QRH PROCEDURE. AIR TURN BACK TO DEPARTURE. INSTALLED NEW DRAIN LINE FOR #1 PACK WATER SEPARATOR. RAN PACK IAW AMM 21-00-01-5, LINE LEAK CHECKED GOOD. REMOVED AND REPLACED THE NR 1, 2 AND 3 WATER COALESCER BAGS IAW AMM 21-54-03-2. ACCOMPLISHED AN A/C PACK AND DUCT ODOR CLEANING IAW AMM 21-53-00-7. AFTER BURNOUT, REMOVED AND REPLACED ALL THREE SYSTEMS COALESCER BAGS IAW AMM 21-54-03-2.