What was found
AIR TURNED BACK DUE TO HIGH TEMPERATURE IN TAIL CONE, LIGHT TURNED ON AND RT ENGINE WITH LOW ACCELERATION. MAINTENANCE CORRECTED PNEUMATIC LEAKS IN THE LT AND RT AIR-CONDITIONED SYSTEMS IAW MM 36-20-02 AND MPCM 21-10-00; ADDITIONALLY, THE ACCELERATION CAMS AND THE BLEED VALVES WERE LUBRICATED IAW MM 73-20-01 AND MM 75-31-05, TESTED CORRECT IAW 71-00-00. AIRCRAFT LANDED WITH 57000 KILOGRAMS, SO IT WAS NOT NECESSARY AN OVERWEIGHT LANDING INSPECTION IAW MM 05-51-04.