What was found
HEARD POP THEN SMOKE CAME IN COCKPIT AIR VENTS. TURNED OFF NR 1 A/C PACK AND SMOKE STOPPED. FWD TO MCO/PLAC PER MEL. LOCKED CLOSED NR 1 PACK FLOW CONTROL VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HEARD POP THEN SMOKE CAME IN COCKPIT AIR VENTS. TURNED OFF NR 1 A/C PACK AND SMOKE STOPPED. FWD TO MCO/PLAC PER MEL. LOCKED CLOSED NR 1 PACK FLOW CONTROL VALVE.