What was found
FLIGHT 619, JHM-HNL: AFTER ARRIVAL AT THE GATE WHILE EXECUTING THE PARKING CHECKLIST, THE CREW DECLARED AN EMERGENCY DUE TO SMOKE ON THE FLIGHT DECK. THE AIRCRAFT WAS EVACUATED AND THE FIRE DEPARTMENT RESPONDED. MAINTENANCE IS CURRENTLY TROUBLESHOOTING. THIS IS THE SUPPLEMENTAL FOR PREVIOUSLY SUBMITTED SDR COEA2019051303804 FOR CORRECTIVE ACTION. DISCREPANCY: SMOKE ON FLIGHT DECK/EMERGENCY DECLARED. CORRECTIVE ACTION: AFTER EXTENSIVE TROUBLESHOOTING, MAINTENANCE REPLACED DAMAGED CLAMP ON NR 2 PACK, DUCT FROM NR 1 PACKS ACM AND CLEARED HEAT EXCHANGER OBSTRUCTIONS. PERFORMED ENGINE RUNS. OPS CHECKS GOOD.