What was found
AIR INTERRUPT, RETURNED, EMER NOT DECLARED. LANDING UNEVENTFUL & ACFT OVERWEIGHT. AFTER TAKEOFF DURING FLAP RETRACTION FROM FLAPS 5 DEGREES TO FLAPS 1 DEGREE, RECEIVED LE FLAPS ASSYM EICAS MSG. ACCOMPLISHED FIM TASK 27-81-00, LE ASSYM EICAS MSG, WITH NO FAULTS NOTED. PERFORMED OPERATIONAL CHECK OF SLATS & FLAPS. SYS CHECKED NORMAL ON GND.