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© 2026 Four Star, © 2026 Four Star, Boeing B-737
The Boeing 737 is an American narrow-body aircraft produced by Boeing at its Renton factory in Washington, serving as the world's best-selling commercial jetliner.
Common Questions
About Aircraft Accessory
Repair and Refurbishment
Introduced in 1967, the Boeing 737 became the backbone of short- to medium-haul aviation worldwide, offering airlines unmatched reliability and low operating costs. Continuous upgrades through the Classic, Next Generation, and MAX series have kept the 737 competitive for over five decades, with improvements in fuel efficiency, avionics, and passenger comfort across thousands of aircraft in global service.
Four Star Accessory Overhaul provides comprehensive Boeing 737 accessory overhaul services for operators across all series variants. Our capabilities span hydraulic systems, pneumatic components, power generation units, electromechanical accessories, fuel system components, and other critical systems essential to 737 operations.
Our FAA and EASA certifications enable seamless service for 737 aircraft regardless of registration, supporting both domestic and international operators with the high-volume processing and predictable turnaround times that commercial aviation demands. Whether you operate Classic, NG, or MAX variants, our expertise ensures your fleet receives consistent quality backed by complete documentation and traceability.
At Four Star, we hold FAA repair station certificate number EP3R483L. The certificate is rated for Accessory Classes I, II, and III (Unlimited), and non-destructive inspections. The certificate was originally issued in April 1988, and we are proud to have held it since that date.
DownloadAt Four Star, we hold FAA repair station certificate number EP3R483L. The certificate is rated for Accessory Classes I, II, and III (Unlimited), and non-destructive inspections. The certificate was originally issued in April 1988, and we are proud to have held it since that date.
DownloadWe take pride in earning the trust of the UK Civil Aviation Authority, holding Approval Reference UK.145.50812 as a Part-145 maintenance organization. Certified under the bilateral agreement between the UK and the USA, this approval reinforces our continued commitment to excellence.
DownloadWe take pride in earning the trust of the UK Civil Aviation Authority, holding Approval Reference UK.145.50812 as a Part-145 maintenance organization. Certified under the bilateral agreement between the UK and the USA, this approval reinforces our continued commitment to excellence.
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get in touchPartner with Four Star for Your Next Overhaul
Share a few details and we'll align on scope, lead time and logistcs, and a service specialist will follow-up within one business day.
