Manufacturers' recommended time limits for inspections, maintenance checks and inspections the correct ATA code. Prediction the ATA code of following sources (AC_SERIAL_NUMBER, AIR_TURNBACK_INDICATOR, EMERGENCY_LANDING_INDICATOR, AIR_INTERRUPT_INDICATOR, EMERGENCY_DESCENT_INDICATOR, RETURN_GATE_INDICATOR, Swivel wings assemblies, spar walls, panels, steering wheels, air take ducts, lead pipes, frames, leading edge flaps, hydraulic systems etc.) by trained data.