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Visually checks engine internal parts that are not easily accessible using borescope probes.
Details the fan and booster stages, including rotor, stator, and inspection ports.
Explains the HPC structure, including front/rear stators, rotor, and borescope ports.
Describes the combustor section, including Single Annular Combustor (SAC) and Double Annular Combustor (DAC).
Details the HPT assembly, nozzle, rotor, shroud, and stage 1 LPT nozzle.
Describes the LPT, its blades, and borescope ports for inspection.
Discusses probe diameter and temperature limitations to prevent equipment damage.
Describes the procedure for indexing the N1 rotor using fan blade No. 1 and T12 sensor.
Identifies critical areas and common defects found on fan blades.
Details how to inspect booster rotor stages using specific probes and ports.
Lists conditions requiring a complete HPC borescope inspection, like HPC stall or FOD.
Details the method for inspecting HPC blades using VSVs, probes, and specific ports.
Describes the procedure for indexing the N2 rotor using blade locks and reference points.
Identifies specific areas on HPC rotor blades for inspection, including tip area and airfoil root.
Covers inspection of the SAC combustion chamber, including liners and dome assembly.
Visually checks engine internal parts that are not easily accessible using borescope probes.
Details the fan and booster stages, including rotor, stator, and inspection ports.
Explains the HPC structure, including front/rear stators, rotor, and borescope ports.
Describes the combustor section, including Single Annular Combustor (SAC) and Double Annular Combustor (DAC).
Details the HPT assembly, nozzle, rotor, shroud, and stage 1 LPT nozzle.
Describes the LPT, its blades, and borescope ports for inspection.
Discusses probe diameter and temperature limitations to prevent equipment damage.
Describes the procedure for indexing the N1 rotor using fan blade No. 1 and T12 sensor.
Identifies critical areas and common defects found on fan blades.
Details how to inspect booster rotor stages using specific probes and ports.
Lists conditions requiring a complete HPC borescope inspection, like HPC stall or FOD.
Details the method for inspecting HPC blades using VSVs, probes, and specific ports.
Describes the procedure for indexing the N2 rotor using blade locks and reference points.
Identifies specific areas on HPC rotor blades for inspection, including tip area and airfoil root.
Covers inspection of the SAC combustion chamber, including liners and dome assembly.
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