Cold Air Unit Repair & Overhaul
1716D000-001 — Cold Air Unit Repair & Overhaul
| Part number | 1716D000-001 |
|---|---|
| Nomenclature | Cold Air Unit |
| Manufacturer | Honeywell |
| Aircraft make | Dornier |
| Aircraft model | 328 |
| Capability | Air Cycle Machines |
FAA & EASA Part 145 repair & overhaul. We'll confirm turnaround and pricing.
Added to your quote. View quote →
Component Overview
A cold air unit is the air cycle machine at the heart of an air conditioning pack, expanding pressurized engine bleed air across a turbine to extract energy and produce refrigerated air for cabin and avionics cooling. Mounted on a common shaft, the turbine and an associated compressor or fan rotate at high speed on bearings, with the turbine's work extraction dropping air temperature substantially. It is central to the Air Cycle system's cooling capability. Typical wear modes include bearing fatigue and spalling, shaft imbalance, blade erosion and tip-rub, seal leakage, and thermal distortion of the housing. Excessive vibration, axial play, contamination from upstream debris, and lubrication breakdown commonly drive overhaul, restoring rotor balance and rated cooling performance.
Aircraft Application
Part number 1716D000-001 (Cold Air Unit) is installed on the Dornier 328. QTC supports operators and MROs servicing this platform with certified repair and overhaul.
Our Repair Capability
QTC repairs and overhauls 1716D000-001 to the original manufacturer's specifications under our FAA and EASA Part 145 approvals. Our team — including former OEM air cycle engineers — performs teardown, inspection, cleaning, component replacement, functional testing, and certification, returning a serviceable unit with the appropriate airworthiness release. We also develop repairs for rejected and beyond-economic-repair (BER) hardware.
Related Parts
Other cold air unit part numbers we repair — view all Cold Air Unit parts →
| Part number | Nomenclature | Model |
|---|---|---|
| 1716D000-002 | Cold Air Unit | 328 |
| 1762D000-001 | Cold Air Unit | 328 |
Frequently Asked Questions
Can QTC repair part number 1716D000-001?
Yes. 1716D000-001 (Cold Air Unit) is within QTC's FAA & EASA Part 145 repair and overhaul capability. Request a quote to confirm current turnaround and pricing.
What aircraft is part 1716D000-001 used on?
1716D000-001 is used on the Dornier 328.
What condition does QTC accept for 1716D000-001?
QTC accepts serviceable, unserviceable, and beyond-economic-repair (BER) units for evaluation. Our engineers determine the most cost-effective repair path after incoming inspection.
What is the typical turnaround time for cold air unit repair?
Turnaround depends on repair scope and material availability. Contact QTC for a current estimate.
Request a Quote for 1716D000-001
Send us the part number and condition and our engineers will respond with repair scope, turnaround, and pricing.