What was found
SMOKE ODOR IN FLIGHT DECK FOR APPROXIMATELY 1 MINUTE DURING DESCENT. FA ADVISED IT WAS IN THE CABIN AS WELL. (FLIGHT 2969 - FILED CLOSED) PLEASE REFERENCE AML 639856, 639845, 639844, 639732, 639727, 639725, AND 639724. / THE APU WAS NOT OPERATING WHEN THIS EVENT OCCURRED, WHICH WAS FINAL APPROACH. / COMPLIED WITH BOMBARDIER SERVICE LETTER 21-028: SMOKE AND/OR ABNORMAL SMELL IN PASSENGER CABIN AND/OR COCKPIT. NO ABNORMALITIES WERE FOUND OR SMELLED. / ADDITIONALLY THE FOLLOWING TASKS WERE PERFORMED OR OBSERVED: / NO CIRCUIT BREAKERS WERE FOUND POPPED. / THE ONLY INTERIOR LIGHTS THAT DIDN'T OPERATE WERE CORRECTED BY REPLACING INDIVIDUAL BULBS, ALL OF WHICH CAN BE NOTED IN THE DISCREPANCY HISTORY. / GALLEY HEATER OPERATES NORMALLY PER AMM 21-23-64. / RECIRCULATION FANS OPERATE NORMALLY PER AMM 21-22-10. / RAN BOTH ENGINES UP TO TAKE-OFF POWER AND AT POWER SETTINGS TO SIMULATE APPROACH POWER SETTINGS PER AMM 71-00-00. PERFORMED OPERATIONAL CHECK OF LEFT AND RIGHT ENGINE HIGH PRESSURE SHUT-OFF VALVES OPERATE CORRECTLY PER AMM 36-12-05 TO SEE IF THE EITHER AIR CYCLE MACHINE JAMS DURING PRESSURE SHIFT. WHEN THE HP VALVE CLOSED AND LP OPENED, OR VICE VERSA, THE BLEE