Article2 min read

GTCP85. CTCP331. TSCP700. We Know These Units Inside and Out

The GTCP85, CTCP331 and TSCP700 APU components Jets MRO Miami repairs, and the welding, coating and machining processes it uses.

When it comes to APU (Auxiliary Power Unit) repairs, expertise isn’t optional—it’s essential.

At Jets MRO Miami, our FAA/EASA-approved Part 145 Repair Station specializes in component-level support for the APU models that keep the industry flying: GTCP85, CTCP331, and TSCP700.

Backed by decades of combined experience, our technicians bring deep knowledge and precision to every repair—restoring the reliability of the components that matter most to your fleet.

Let’s take a closer look at what sets us apart.

GTCP85 Series: The Industry Workhorse

The GTCP85 powers business jets, regional aircraft, and rotorcraft alike. Its proven reliability makes it a fleet favorite—but wear and tear are inevitable.

Jets MRO Miami repairs:

  • Turbine & Bearing Housings
  • Compressor Housings
  • Diffusers (1st & 2nd Stage)
  • Turbine Shrouds & Shroud Supports
  • Impellers & Turbine Wheel Shrouds

Capabilities include:

  • AWS D17.1 Certified TIG Welding
  • Electric Arc Wire Coating
  • Precision Machining & I.D. Grinding
  • NDT & Chemical Conversion Coating

All with FAA 8130 dual releases you can count on.

CTCP331 Series: Power Meets Precision

Compact and high-performing, the CTCP331 demands repairs with extreme accuracy. Jets MRO Miami has the tools—and the know-how—to deliver.

We repair:

  • 1st & 2nd Stage Stator Supports
  • Driven Compressor Assemblies
  • Scroll & Inlet Housings
  • Diffuser Vanes
  • Gearbox Shrouds

Our process includes:

  • Certified TIG Welding for high-temp alloys
  • 3D-Printed Tooling for custom fit-ups
  • DER-Approved Repairs
  • MIL-Spec Chemical Conversion Coatings

All repairs are engineered to restore performance and extend component life.

TSCP700 Series: Built for Bigger Missions

Used on larger commercial jets, the TSCP700 demands reliability from every angle. Jets MRO Miami delivers that—and more.

We repair:

  • Turbine Bearing Carrier Supports
  • Compressor Diffuser Assemblies
  • Shroud Assemblies & Nozzles

Services include:

  • Brazing & TIG Welding
  • Full Machining & Dimensional Restoration
  • Heat Treatment & Stress Relief
  • In-House NDT

Every TSCP700 repair is backed by FAA/EASA approvals and OEM-level precision—without OEM lead times.

Why Choose Jets MRO Miami?

  • FAA/EASA Part 145 Certified
  • In-House DER Engineers
  • Free Component Evaluations
  • Fast, Flexible Turnaround
  • Advanced Welding, Coating & Machining Services

We don’t just fix APUs. We keep your fleet flight-ready.


Get A Repair Quote Today! Free Visual Inspection!
connect@jetsmro.com
(214) 305-9247
jetsmro.com

From the logbook

More on APU and components.

  1. The Complete Guide to GTCP85 APU Component Repair — All Aircraft Applications

    · 2 min read

    GTCP85 APU component repairs in Miami, from turbine and compressor housings to fuel parts, bearings and seals, and why operators choose repair over replacement.

  2. Chemical Conversion Coating: What It Is, and Why You Need It

    · 2 min read

    What chemical conversion coating (chem film) is, what the MIL-DTL-81706 and MIL-DTL-5541 specifications cover, and which parts Jets MRO Miami treats.

  3. TIG Welding in Aerospace: Why AWS D17.1 Class A Certification Matters

    · 2 min read

    What TIG welding is, what AWS D17.1 Class A certification requires, and the alloys and APU parts Jets MRO Miami welds.

The whole logbook

Bring us your to-do list.

Tail number, the work you need and when you need the aircraft back. We come back with a quote and a slot.

Or write to connect@jetsmro.com