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- MAIN DRIVE SHAFT ASSY
- MAIN ROTOR MAST ASSY
- 42° GEARBOX ASSY
- 90 GEARBOX ASSY
- MAIN TRANSMISION ASSY
- TRANSMISSION QUILLS ASSY
- SCISSORS AND SLEEVE ASSY
- MAIN ROTOR HUB ASSY
- SWASHPLATE AND SUPPORT ASSY.
- INSPECCIONES DE CUMPLIMIENTO HORARIO Y CALENDARIO.