When critical components need service, you want a repair partner that understands the product, the requirements, and the import of your mission.
Simmonds provides repair services that restore parts to production pedigree, helping operators and maintainers return components to service with confidence.
Level 3 Depot-level repair
Simmonds repair services are designed to support demanding aerospace programs, including:
- Structured intake and evaluation
- Controlled teardown and repair processes
- Verification steps aligned to the part’s requirements
- Documentation and traceability appropriate for regulated environments
Repair to production pedigree
Whatever you buy from Simmonds, you can send it back and have it repaired to production pedigree. That means bringing the component back to a standard you can trust for continued service.
Mods, Upgrades, and Retrofits
Simmonds supports modifications, upgrades, and retrofit programs that extend service life, improve reliability, and keep aircraft systems aligned with evolving requirements. If you do not see your platform or upgrade listed, reach out. The team can confirm compatibility and recommend next steps.
| Mods and Upgrades | Platforms |
|---|---|
| Cargo Conversions | 737, 757, A320 |
| Reliability Enhanced Stabilator Actuator | H60 Variants |
| Analog to Digital Fuel Quanity Measurement System | C130 |
| Fuel Quanity Indicator Controller | A320 |
| Emergency Power Assist System Upgrade | 787 |
| Refuel Control Panel Upgrade | 787 |
| HUMS Upgrade Kit | H1 |
| Ground Support kits | Inquire about platforms |
| Other HUMS mod kits | Inquire about platforms |
| Data Transfer Unit Upgrade | H60 A/L |
| Fuel Probe Scrap and Replace | 737, 757, 767, A320 series |
| Computers Upgrade | C130 |
| Fuel Quantity Processor Unit Upgrade | 757, 767 |
| Fuel Level Sensing Control Unit Upgrade | A320 Series |
| Fuel Compensator Upgrade | 737 |
| Proximity Sensor Electrical Unit Upgrade | DHC8 |
What to include in your request
To help the team triage quickly, include:
- Part number and description
- Aircraft or platform
- Observed issue or service need
- Any required documentation or traceability needs
If a part is not on the capabilities list, reach out to us. Simmonds can help confirm whether the item can be evaluated, repaired, or routed appropriately.