What was found
DURING CLIMB OUT FROM DFW A VERY INTENSE ELECTRICAL BURNING SMELL ENTERED THE FLIGHT DECK. (FLIGHT 3243 - FILED CLOSED) PLEASE REFERENCE AML 743123 PLEASE REFERENCE AML 743125 PLEASE REFERENCE AML 743191 PLEASE REFERENCE AML 743202 PLEASE REFERENCE AML 743219 UPON ARRIVAL TO A/C FLIGHT CREW REPORTED NOTABLE ELECTRIC ODOR FROM CA GASPER WITH PACKS RUNNING ON ENGINE BLEED AIR DURING CLIMB. FLIGHT ATTENDANTS REPORTED NO ABNORMAL SMELL IN CABIN. PREFORMED SMOKE AND / OR ABNORMAL SMELL IN COCKPIT INSPECTION PER FIM 21-21-00-810-806. FOUND LEFT HAND RE CIRCULATION FILTER AND HOUSING TO BE ENGULFED WITH A PLASTIC SHOPPING BAG. REMOVED DEBRIS FROM FILTER HOUSING AND REPLACED FILTER PER AMM 21-22-12, ALSO REMOVED AND REPLACED LEFT HAND RE CIRCULATION FAN AND CHECK VALVE ASSEMBLY PER AMM 21-22-10 DUE TO AIR STARVATION AND PLASTIC CONTAMINATION. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME WITH ENGINE BLEED AT POWER AND LEFT PACK RUNNING AND RE CIRCULATION FANS ON. A/C OKAY FOR RETURN TO SERVICE. (NOTE: REMOVED RE CIRCULATION FAN HAS A FAINT ELECTRICAL BURNING SMELL TO IT).