What was found
FLIGHT 1093, JFK-CMH, APPROX 1200Z, RETURNED TO JFK, STRONG ODOR OF BURNING PLASTIC REPORTED BY CABIN CREW IMMEDIATELY AFTER TAKEOFF. SEEMED TO BE STRONGEST IN MID-CABIN. SMOKE SEEN FROM BOTH MAINS AFTER LANDING. DEBRIEF CREW ALSO REPORTED ODOR NOTICED UPON L/G RETRACTION, FOUND ODOR COMING FROM BRAKES 1 TO 4. ALL 4 BRAKES PREVIOUSLY CHANGED DUE CONTAMINATION. RINSED MLGS IAW AMM 12-12-10. PERFORMED OPS CK AND INSPECTION OF BRAKES 1, 2, 3, 4. ALL FUNCTIONS NORMAL. NO DEFECTS NOTED. NO EICAS MSGS PRESENT ON GROUND. NO C/B FOUND OUT. OPS CKS OF BRAKES 1, 2, 3, 4 PERFORMED IAW AMM 32-40-00. ALSO LTV PERFORMED INSPECTION, NO DEFECTS NOTED. NEXT FLIGHT 1008 JFK/BOS PERFORMED NO ODOR NOTED.