What was found
BURNING ODOR DETECTED IN COCKPIT & CABIN, RETURNED TO JFK. AS PER FIM 21-20-00-210-201-A OPERATION & ISOLATED PACKS & INSPECTED PASSENGER CABIN FOR ABNORMAL SMELL. OPERATED ENGINE & ISOLATED BLEED SYSTEMS. INSPECTED CABIN, NO ABNORMALITIES NOTED. ACCOMPLISHED FIM TASK 21-20-00-819-801-A SMOKE AND/OR ABNORMAL SMELL IN PASSENGER CABIN AND/OR COCKPIT. ACCOMPLISHED STATIC TORQUE CK OF LT & LT ACM'S IAW AMM 21-51-05. NO DEFECTS AT THIS TIME. OPS CHECK OK.