What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS SOF (CABIN ODOR) EVENT DURING DECENT, APPROACH AND LANDING. MAINTENANCE ACCOMPLISHED CARDS 33L00021001, 33L0071001 AND 33L00021002. ACCOMPLISHED SOF TROUBLESHOOTING, ENGINE CABIN ODOR TROUBLESHOOTING AND ECS CONTAMINATION CARD. MAINTENANCE DETERMINED LEFT ENGINE IS THE CAUSE OF THIS EVENT AND BLEED PLACED ON MEL.***SUPPLEMENTAL INFORMATION: MAINTENANCE ACCOMPLISHED EA 293854 TO SEE IF ODOR COULD BE DUPLICATED. NO ODOR WAS FOUND DURING THE TEST.*** (CLOSED)