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Aviation MRO Case Studies

Real Aircraft. Real Faults. Solved Faster.

Every use case below is drawn from a documented MRO troubleshooting job on an in-service commercial aircraft. Each links to the full case study with timings, savings, and the exact CTRL UL101 or FOTRIC workflow that resolved it.

Engine Diagnostics — Boeing 737 MAX — CFM LEAP Engine

Case Study

Boeing 737 MAX — CFM LEAP Engine

Engine Diagnostics

Fuel-nozzle troubleshooting on CFM56 and LEAP engines in under 60 minutes.

Reduced diagnostic time to under 60 minutes
Read the full case study
Valve Inspections — Boeing 737-700 — Flap Control & Bypass Valves

Case Study

Boeing 737-700 — Flap Control & Bypass Valves

Valve Inspections

Isolate faulty flap control, bypass, and solenoid valves before swapping major components.

$6,480 saved — accurate bypass valve fix vs. control valve/solenoid swap
Read the full case study
Landing Gear Inspections — Boeing 777-300ER — Nose Landing Gear

Case Study

Boeing 777-300ER — Nose Landing Gear

Landing Gear Inspections

Pinpoint nitrogen pressure leaks that traditional methods can't detect.

Identified leak undetectable by traditional methods
Read the full case study
Hydraulic Systems — Boeing 737-700 LE Flap & Boeing 757-200 TE Flap

Case Study

Boeing 737-700 LE Flap & Boeing 757-200 TE Flap

Hydraulic Systems

Isolate faulty actuators, control valves, and bypass valves without shotgun swaps.

LE flap B737-700: 96 → 36 hrs troubleshoot (60 hrs saved)
Read the full case study

Have a fault we haven’t documented yet?

Our team supports airlines and MROs across the fleet. Book a demo with the UL101 or a FOTRIC acoustic imager, or ask for a written quote sized to your operation.