What was found
SMOKE IN COCKPIT ON DESCENT INTO MSY CAPT TURNED OFF THE LT PACK AND THE RT PACK IS DEFERRED AND AFTER ARRIVING AT GATE SHUT ACFT DOWN AND RIBBON OF SMOKE WAS COMING FROM CAPTAINS O2 MASK BOX. NO SMOKE IN CABIN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMOKE IN COCKPIT ON DESCENT INTO MSY CAPT TURNED OFF THE LT PACK AND THE RT PACK IS DEFERRED AND AFTER ARRIVING AT GATE SHUT ACFT DOWN AND RIBBON OF SMOKE WAS COMING FROM CAPTAINS O2 MASK BOX. NO SMOKE IN CABIN.