APS2300

APS2300

Comprehensive APU MRO Solutions

Walter Aero is a Pratt & Whitney Canada APS2300 APU Authorized Repair Facility, providing world-class maintenance, repair, and overhaul (MRO) services in collaboration with our strategic industry partner. Our certified APU technicians receive extensive factory training at the Pratt & Whitney Canada Training Center, ensuring operators receive industry-leading expertise, fast turn-times, and reliable support from our Maryville, Tennessee, USA facility.

MRO Capabilities

Walter Aero offers full-spectrum APS2300 APU services, including:

• Complete APU maintenance, repair, and overhaul
• Component and LRU repair, including FADEC, ECUs, ESCs, fuel controls, pumps, manifolds, governors, and bleed systems
• OEM-authorized repair processes and DER-approved services on request
• Re-certification and test cell capabilities
• Optimized process flows for rapid turnaround and reduced downtime
• Rental APU access and advance exchanges for operational flexibility

By developing in-house repair processes that restore components to OEM specifications, we reduce reliance on expensive replacement parts while maintaining the highest reliability standards.

Field Services

Walter Aero’s dedicated Field Service Teams are available 24/7 worldwide, providing:

• Emergency troubleshooting
• Warranty support
• On-site inspections and minor repairs

Our teams are trained, authorized, and fully equipped to respond to AOG events anywhere in the world. Operators can rely on real-time updates throughout the service process to make confident maintenance decisions.

AOG Support Contact: 1-865-380-2284

Key Service Highlights

• Pratt & Whitney Canada APS2300 APU Authorized Repair Facility & Independent MRO Provider
• 192,000 sq. ft. turbine engine repair facility in Maryville, TN
• Fast turnarounds and rental APU availability
• In-house component repair to minimize replacement costs
• Flexible program development tailored to unique customer requirements
• Dedicated Field Service Teams and on-site engineering/technical support
• Technical training programs and comprehensive warranty administration

Certifications & Compliance

• FAA Repair Station Certification: AE0R215N
• EASA Part-145 Acceptance: #EASA.145.4894
• CAAC F00100140
• VN-310NN / CAAV
• OMAC-E511
• ISO 9001:2000 Certified
• ISO 14001:2015 Certified

Applications

• Embraer E170
• Embraer E175
• Embraer E190
• Embraer E195

APU LRU Capabilities

Walter Aero supports all APS2300 APU Line Replaceable Units (LRUs), including:

• Overhaul, repair, and troubleshooting of FADEC, ECUs, ESCs, fuel systems, propeller and power turbine governors, overspeed governors, and oil/fuel heaters
• OEM-approved repairs and selected DER-authorized repairs
• Honeywell and Pratt & Whitney Canada licensed facility services
• Exchange programs with same-day shipping for most units
• Advance exchanges available based on customer credit

Additional Benefits:

• Dedicated engineering services
• Dedicated customer service representatives
• In-house reworks room to control turnaround times
• Comprehensive LRU testing and quality assurance