As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE/SMELL, FLIGHT 5010, PILOTS REPORTED LT ENGINE DUCT LEAK LIGHT AND DUCT OVERHEAT LIGHT ILLUMINATED. RT PACK APPEARED TO BLOW OUT HOT AIR AND SMOKE WAS REPORTED IN THE CABIN. MAINTENANCE REMOVED AND REPLACED SEVERAL COMPONENTS INCLUDING A TEMP THERMOSTAT IAW MM 21-10-09, LT AIR CYCLE MACHINE IAW MM 21-50-05, PRESSURE REGULATING VALVE IAW MM 21-50. THE FINAL FIX OCCURRED WHEN THE LT HEAT EXCHANGER WAS REMOVED AND REPLACED IAW MM 21-50. LEAK AND OPERATIONAL TESTS GOOD IAW MM 21-50-00.