What was found
LT INTAKE HEAT FAILED EN ROUTE TO MLI. FLIGHT RETURNED TO DTW. MAINTENANCE REPLACED LOWER DUCT ON LEFT ENGINE. RAN AC 1/2 HR. OPS CHECK GOOD, IAW SAAB MM 30-00-00, P/N NH24668-169, S/N OFF L283723, S/N ON L198033.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT INTAKE HEAT FAILED EN ROUTE TO MLI. FLIGHT RETURNED TO DTW. MAINTENANCE REPLACED LOWER DUCT ON LEFT ENGINE. RAN AC 1/2 HR. OPS CHECK GOOD, IAW SAAB MM 30-00-00, P/N NH24668-169, S/N OFF L283723, S/N ON L198033.