Borescope Inspection Guide

This guide explains how MRO and airline engineers use video borescopes to inspect engine compressors and turbines without disassembly, and which features matter when selecting one. It cites Waygate Technologies and GE Aerospace documents.
What a borescope inspection does
- A video borescope probe is inserted through engine inspection ports to view compressor and turbine stages [1].
- Findings are measured and recorded against Aircraft Maintenance Manual limits; GE Aerospace and Waygate built guided inspection templates aligned to AMM tasks for GEnx-1B/-2B HPT blades [2].
Measurement and assistance
- 3D measurement such as missing-corner area, blade tip clearance and radius gauge supports blend and damage assessment [1].
- Blade counting and assisted defect recognition reduce manual effort [3].
- Menu-directed inspection standardises the procedure across technicians [3].
Selection checklist
- Probe diameter and length must suit the engine's inspection ports; confirm with the engine manual.
- Check articulation, light output and measurement type against the tasks you perform [3].
- Confirm reporting and data storage fit your quality records [3].
Manufacturer referenced in this guide

Waygate Technologies
Waygate Technologies, a Baker Hughes business, makes industrial NDT and remote visual inspection equipment; its Mentor Visual iQ+ video borescope is used by airlines, OEMs and MROs for aircraft engine inspections…
Engine Inspection & BorescopesMaintenance Inspection Cameras
Related category
Engine Inspection & Borescopes · All aviation guides
Frequently asked questions
Can a borescope measure damage?
Yes, with 3D measurement systems such as Waygate Real3D [1].
What is guided inspection?
Software templates that step the technician through an AMM-aligned task, as in the GE/Waygate GEnx templates [2].
This guide is general information. It does not replace the aircraft maintenance manual, the operator's approved procedures or the rules of the competent civil aviation authority.
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