On Wing Services

On Wing Services

Sunaero On Wing Services statement

Sunaero is committed providing to its customers, a fast response to support their critical operations, delivering excellence of aircraft maintenance.

Our services

Sunaero is an aviation specialist supporting worldwide MRO's operations on aircraft fuel tank, fuel system, structure,  oxygen system, maintenance support and other specialized services. Our facilities and hub services network around the world is made to efficiently response any AOG situation in less than 4 hours on majors aviation hubs. 

Our teams are highly skilled and experienced in fuel leak repair. They are certified / trained with :

  • Fuel Tank Safety & CDCCL (Critical Design Configuration Control Limitations)
  • Aeronautical regulation (PART 21, PART 145)
  • Aviation Maintenance Human Factors & SMS (Safety Management System)
  • EWIS (Electrical Wiring Interconnection Systems)
  • FOD Prevention

At Sunaero, we are specialized in the following on wing services :

  • Fuel Tank Services
  • Fuel System Services
  • Structure Services 
  • NDT
  • Oxygen System Services
  • Maintenance Support Services
  • Other Specialized Services

Fuel Tank Services

Fuel leak detection

Fuel leak repair

Inbound & Outbound Leak Check

Fuel Bladder Removal / Replacement

Integral Tank De-sealing / Sealing

Fuel Tank Entry

Fuel Tank Decontamination

A320 Dry Bay Leak Repair 

Fuel Tank Cleaning

Fuel Bladder Inspection

Fuel System Services

Fuel System Component Replacement

Fuel Quantity Indicating System - FQIS 


Oxygen System Services

Sheet Metal Repair 


Composite Repair        



  • Radiographic Testing (RT)

  • Ultrasonics Testing (UT)

  • Magnetic Testing (MT)

  • Penetrant Testing (PT)

  • Positive Identification of the Materials (PML)

  • Eddy Currents Testing (ET)

  • Visual and Optical Testing (VT)




Oxygen Leak Detection Crew

Oxygen Leak Detection PAX

Maintenance Support Services

Line Maintenance Support

Base Maintenance Support

Other Specialized Services

Cabin Leak Check

Dry Bay Inspection

Dry Bay Temporary Repair