What was found
CAPTAIN CALLED AFTER TAKEOFF, A CONTROL SYSTEM FLIGHT MESSAGE FOR THE NR 1 ENGINE OVERHEAT AND LARGE FUEL FLOW DISCREPANCY BETWEEN THE NR 1 & 2 ENGINES. THE FLIGHT RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. ACCOMPLISHED TSM 71-00-00-810-825-A, AND 75-32-00-810-845-A. REPLACED THE BLEED VALVE THERMOCOUPLE PROBE IAW AMM 75-32-13, 75-32-16, AND 75-32-15. ENGINE RUNS CARRIED OUT AND ALL OPS NORMAL. OK FOR SERVICE.