Gallery: Walking Through HAESL In Hong Kong

HAESL’s facility is set up with 50 engine bays that allow maintainers to disassemble and rebuild the repaired engine in the same bay.

Red cloth sleeves protect Trent XWB fan blades in the shop.

Overhhead cranes transport engines to a bay.

Maintainers are rigging this Rolls-Royce Trent 700 so it’s ready to be tested.

Throughout HAESL, visual signs identify engine MRO—from electronic ones at each bay showing the work status to labels on the floor and on equipment.

Phase 6 is the newest area of HAESL. This is where the larger Trent XWB is serviced.

Component repair occurs in Phase 5 of the building. After an engine is stripped, piece parts come here to be washed, inspected and repaired.

This Galvatek machine automatically cleans parts, which saves time. HAESL is expanding its capacity for this work.

A Trent XWB high-pressure compressor drum in the blade-tip grinding area of HAESL’s shop.

HAESL employs Lean, Six Sigma and other continuous improvement tools. It achieved a record 300 outputted in 2023 and strives to get to 360 engines in 2025.

The high-pressure system of a Rolls-Royce XWB shown here. The HP system is the hottest area of the engine and is one of eight powerplant modules. The white parts are nozzle guide vanes.

HAESL has several balancing machines, which basically balances any engine part that spins in order to reduce vibration.

An incoming Rolls-Royce XWB at HAESL in Hong Kong.

Mechanics performing a borescope inspection on this Trent 800.

HAESL has one engine test cell. An XWB, weighing 846 kg (1,865 lbs.), was in for tests during our visit.

A Rolls-Royce XWB low-pressure compressor case.