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RB211-535 Engine MRO Services

WalterAero is the Rolls-Royce-authorized “life of type” MRO provider for the RB211-535E4 wide chord fan engine. Selected in January 2018, this long-term partnership supports one of the most widely used engines in the Boeing 757 fleet—powering over 58% of all delivered 757 aircraft. The RB211-535 is expected to remain in service through 2040, and WalterAero is committed to supporting its full lifecycle.

This powerplant complements other commercial aircraft engines supported by WalterAero, including the CFM International LEAP-1A, LEAP-1B, and the CFM56-7B.

WalterAero serves as the exclusive provider of maintenance services for RB211-535 engines enrolled in the Rolls-Royce TotalCare® power-by-the-hour program. This long-term service agreement ensures that WalterAero meets customer mission availability requirements.

WalterAero offers full L3/L4 capabilities for all major modules and workscopes, as well as lighter L1/L2 workscopes for the RB211-535.

Comprehensive Support at Our San Antonio Facility

Our state-of-the-art, 577,000 sq. ft. MRO facility in San Antonio, TX, is fully equipped to handle complete overhaul and testing for the RB211-535. The site features:

  • A dedicated RB211 production area with optimized workflows for efficient disassembly, assembly, and sub-assembly processes
  • 100% overhead hoist coverage and a 20-foot-wide main aisle to streamline engine movement
  • Four test cells, including two configured for the RB211, capable of up to 90,000 lbs. thrust testing
  • 38,000 sq. ft. engine test prep space and 20,000 sq. ft. of warehouse storage

SERVICE HIGHLIGHTS

  • Rolls-Royce authorized ‘life of type’ engine maintenance services provider
  • Full MRO capabilities for the RB211-535
  • Full FAA approval received in October 2019, followed by EASA certification
  • First customer engines redelivered in 2019; now supporting both program and transactional customers
  • 50+ year relationship of supporting Rolls-Royce aero engines
  • 577,000 sq. ft. MRO facility capable of full overhaul & test of RB211-535 engines
  • Four test cells capable of supporting RB211-535: three 50,000-lb. cells, and one 90,000-lb. cell
  • 38,000 sq. ft. engine test prep space
  • 20,000 sq. ft. warehouse space
  • Dedicated on-site engineering technical support
  • In-house component repair
  • 24-hour customer response team
  • Dedicated program management

  • Engine health monitoring (EHM) diagnostics support

     

APPLICATIONS

  • Boeing 757

UPCOMING EVENTS

  • 2026 Events Coming Soon

Locations

Head Office
Phone: +90 444 0 858
Muhsin Yazıcıoğlu Caddesi
Regnum Sky Tower No: 57-116
Çankaya-ANKARA TÜRKİYE