737CL, 737NG, 747, 737 MAX
AUXILIARY POWER UNITS
737CL, 737NG,747
FLAP TRACKS
737CL, 737NG, 747,787 
BRAKES
FUEL CONTROL UNITS
GENERATOR CONTROL UNITS
ENGINE DRIVEN PUMPS
FLAP TRANSMISSIONS
TRAFFIC COLLISION AVOIDANCE SYSTEMS
AIR INERTING VALVES