Quad Heat Exchanger (FCAC and Non-FCAC) Repair & Overhaul
7113609-7 — Quad Heat Exchanger (FCAC and Non-FCAC) Repair & Overhaul
| Part number | 7113609-7 |
|---|---|
| Nomenclature | Quad Heat Exchanger (FCAC and Non-FCAC) |
| Manufacturer | Hamilton Sundstrand |
| Aircraft make | Boeing |
| Aircraft model | Boeing 787 |
| Capability | Heat Exchangers |
FAA & EASA Part 145 repair & overhaul. We'll confirm turnaround and pricing.
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Component Overview
A quad heat exchanger is a four-pass plate-fin core that transfers heat between hot engine bleed air and cooler ram or fan air across multiple integrated passages, supporting both fan-air-cooled (FCAC) and conventional non-FCAC pack configurations. Sited within the air cycle pack, it performs primary and secondary cooling duties in a single brazed assembly to condition bleed air before and after the air cycle machine. Hot and cold streams flow through stacked fin layers separated by parting sheets. Repair and overhaul are driven by fin and parting-sheet cracking from thermal cycling and vibration, internal and external leakage at brazed joints, fin erosion, corrosion, and core fouling or blockage from debris and contaminants that reduce thermal effectiveness and increase pressure drop.
Aircraft Application
Part number 7113609-7 (Quad Heat Exchanger (FCAC and Non-FCAC)) is installed on the Boeing Boeing 787. QTC supports operators and MROs servicing this platform with certified repair and overhaul.
Our Repair Capability
QTC repairs and overhauls 7113609-7 to the original manufacturer's specifications under our FAA and EASA Part 145 approvals. Our team — including former OEM heat transfer 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 quad heat exchanger (fcac and non-fcac) part numbers we repair — view all Quad Heat Exchanger (FCAC and Non-FCAC) parts →
| Part number | Nomenclature | Model |
|---|---|---|
| 7113609-1 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
| 7113609-2 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
| 7113609-3 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
| 7113609-4 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
| 7113609-5 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
| 7113609-6 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
| 7113609-8 | Quad Heat Exchanger (FCAC and Non-FCAC) | Boeing 787 |
Frequently Asked Questions
Can QTC repair part number 7113609-7?
Yes. 7113609-7 (Quad Heat Exchanger (FCAC and Non-FCAC)) 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 7113609-7 used on?
7113609-7 is used on the Boeing Boeing 787.
What condition does QTC accept for 7113609-7?
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 quad heat exchanger (fcac and non-fcac) repair?
Turnaround depends on repair scope and material availability. Contact QTC for a current estimate.
Request a Quote for 7113609-7
Send us the part number and condition and our engineers will respond with repair scope, turnaround, and pricing.