As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN CABIN IN FLIGHT. REDUCED WITH RIGHT PACK OFF. TROUBLESHOOTING SYSTEM PER WDM 21-11-00. FOUND WIRE BROKEN ON AIR CONDITIONING SHUTOFF VALVE SWITCH S1-295. REPAIRED WIRE PER SRM 20-20. OPS TESTED SYSTEM GOOD REF 21-30-00. AIRCRAFT RETURN TO SERVICE.