What was found
FLT#2549, FLL-SDQ. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL) 'AFTER T/O: ENG 1 BLEED FAULT W/COND TRIM AIR SYS FAULT. NOTIFIED MCC ADVISED RETURNED TO FLL UNDER MLW; REF LOGPAGE 3890680-1 (PERFORMED ENG 11 FAN AIR VALVE FUNCTIONED TEST WITH BLEED TEST PER AMM 36-11-54 VALVE OPERATES NORMAL SUSPECT BAD FAN AIR VALVE THERMOSTAT REMOVED AND REPLACED ENG 1 FAN AIR VALVE THERMOSTAT IAW AMM 36-11-43 REQUIRES OPS AND LEAK CHECK) AND PERFORMED LEAK CHECK OF FAN AIR VALVE THERMOSTAT PER AMM 36-11-54 A/C SVC OK FOR SVC.'