What was found
AIRCRAFT WAS GNDED. AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT. DURING FLIGHT, CABIN CREW REPORTED SEEING SMOKE & VAPOR FROM THE AIR CONDITIONING VENTS & AN ODOR DESCRIBED VARIOUSLY AS BURNED RUBBER, ELEC, FUEL. ACCOMPLISHED CARD 21-96-01. R & R LT & RT PRESS REGULATING SHUTOFF VLVS & ACCOMPLISHED LEAK CHECK IAW AMM 21-31-01. SEE ALSO AALA 20160324003.