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Photo Credit: MRAS

(MRAS, Baltimore, Md., U.S.), a manufacturer of composite aerostructures for commercial and military applications, and subsidiary of ST Engineering (Singapore), reports that it is enlarging its maintenance, repair and overhaul (MRO) capabilities for jet engine nacelles by developing a dedicated 60,000-square-foot workshop at the company’s Middle River, Md., U.S. headquarters, with additional room available to accommodate further business growth.

Backed by a multi-million-dollar investment in tooling, machinery and systems, this step marks a significant evolution of the MRO capabilities that MRAS performs under the authority of its Federal Aviation Administration/European Union Aviation Safety Agency (FAA/EASA) Part 145 Repair Station Certificate, including complex composite and metallic repairs, as well as bonding.

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Beginning with a complete floor-to-ceiling refurbishment of the dedicated MRO shop area — from installation of smart lighting to new electrical wiring and heating — the company says it is building out the MRO operation with acquisition of such equipment as a hydraulic test stand for thrust reverser deployment, functional testing, paint and power wash booths, component lift stands and a vertical carousel for parts.

Further, large-scale systems such as a 30-foot-wide sanding booth and a 32 x 25 x 16-foot blasting booth will accommodate the processing of nacelles and thrust reversers from the largest, highest thrust engines, according to Jeremy Tschaepe, MRO leader at MRAS.

“We’re unique in co-locating these MRO resources under the same roof as our one million-square-foot design, development and manufacturing operation at Middle River,” says Tschaepe. “This enables us to fully benefit from MRAS’ know-how through our decades of nacelle and aerostructures production for aircraft and engine manufacturers like Boeing, Embraer, Bombardier, GE Aviation and CFM International.”

Current MRO activity at MRAS covers nacelle systems for the CFM International (Cincinnati, Ohio, U.S.) CFM56-5B, CFM56-7B and International Aero Engines’ (East Hartford, Conn., U.S.) V2500, which power two widely used single-aisle jetliners: Boeing’s 737NG and the Airbus A320 family.

For the CFM56-5B, CFM56-7B and V2500, these MRO capabilities encompass the full nacelle system, from inlet and fan cowl to the thrust reverser. As part of its overall MRO investment, MRAS has sets of CFM56-7B and V2500 nacelle components for exchange, enabling rapid-reaction swap-out.

According to the company, its location in Baltimore, Md., also places it at the heart of the U.S. East Coast air corridor served by large fleets of Boeing 737NGs, and strategically positions MRAS to support airlines that operate A320s across North America.

Included in MRAS’ Repair Station Certificate’s MRO authority is the composite thrust reverser transcowl it produces under contract to Safran Nacelles (Paris, France) for the Airbus A320neo family. The company also has initiated nacelle repairs on GE Aviation (Cincinnati, Ohio, U.S.) Passport engines that equip Bombardier’s (Montreal, Canada) Global 7500, with this activity picking up as more of these large-cabin business jets enter service worldwide.

King Thompson, the senior sales and customer support manager for MRO business at MRAS, says the company’s expansion of its MRO resources comes as airlines strive to minimize expenses and streamline supply chains.

“Whether the airlines are large, medium-sized or small, they all want to keep their aircraft available for the operation to the maximum extent possible, while reducing the number of MRO service providers to a key group of core suppliers,” Thompson explains. “With MRAS, we’re at MRO shop offering full capabilities in a single location and providing complete service solutions through long-term relationships as a single vendor.”

Thompson adds that the MRO shop’s enlargement at MRAS significantly increases the company’s capacity for MRO work on nacelle systems covered by its Repair Station Certificate, while also opening new opportunities, including with nacelles that equip high-thrust engines.