What was found
UNABLE TO COOL CABIN AND FLIGHT DECK WITH A SULFUR TYPE SMELL FROM AC SYSTEM. AIR RETURN TO DTW. REMOVED AND REPLACED RT ACM AND PERFORMED OPS CHECKS OF BOTH RT AND LT ACM. ALL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO COOL CABIN AND FLIGHT DECK WITH A SULFUR TYPE SMELL FROM AC SYSTEM. AIR RETURN TO DTW. REMOVED AND REPLACED RT ACM AND PERFORMED OPS CHECKS OF BOTH RT AND LT ACM. ALL CHECKS GOOD.