Engine Maintenance
OEM-AUTHORISED ENGINE AND APU SUPPORT
JMI is a TFE731 Engine Line Maintenance Plus and APU Line Authorised Channel Partner for Honeywell Aerospace, and a Williams International Authorised Service Centre (ASC) for the FJ44 series.
JMI holds EASA B1 approval for the TFE731 series engines and EASA B3 approval for Honeywell 36, RE220 and RE100 series APUs, reinforcing our capability to deliver certified, OEM-aligned line maintenance services.
With a strong commitment to safety, reliability, and performance, JMI supports operators worldwide with specialist services designed to maximise engine efficiency, minimise downtime, and deliver long-term lifecycle value.
Honeywell Aerospace
As part of the Honeywell Channel Partner network, we provide comprehensive support across a wide range of engine and APU maintenance requirements. Our services are built around strict OEM standards to ensure consistent quality and operational reliability, minimising aircraft downtime while maximising engine performance and long-term asset value.
Engine and APU line maintenance
Routine periodic inspection, defect rectification, SB/AD compliance, troubleshooting, on-wing testing, performance evaluation, borescope, vibration survey and fan balancing, and assistance with engine R&R.
Trusted OEM partnership
Through our relationship with Honeywell, JMI operates within certified engineering frameworks, with access to OEM technical expertise, factory-approved solutions, component support and global supply chain support.
Williams International
JMI is a Williams International Authorised Service Centre (ASC), providing FJ44 series engine line maintenance and support for Citation CJ1, CJ2, CJ3 and CJ4 aircraft. Our capabilities cover both scheduled and unscheduled maintenance events, including TAP Advantage Blue support and warranty management.
FJ44 line maintenance and field support
Periodic and borescope inspections, on-wing diagnostics using Williams International's EMT software, engine removal and installation, loaner engine coordination, and Mobile Repair Teams deployed with specialised fly-away kits for AOG events.
Williams engines supported
FJ44-1A, FJ44-1AP, FJ44-2C, FJ44-3A, FJ44-3AP and FJ44-4A, covering the Citation CJ1, CJ2, CJ3 and CJ4 fleet.
Read more about the Williams International Authorised Service Centre