TM 1-1520-265-232-502.21.3.6 Inspection Procedure. Refer to Eddy Current Method, paragraph 1.4.11 and Figure 2-21.a. Place probe on a good area in the inspection location and null. Adjust phase as required toobtain horizontal lift-off.b. Inspect the part.c. Any signal similar to the notches in the test block are cause for rejection.NOTEEither probe identified in paragraph 2.21.3.1 may be used depending primarily on theease of accessibility and user friendliness. If the probes are changed, steps 2.21.3.5b. (1), (2), and (3) shall be repeated each time a change is made.2.21.3.7 Marking and Recording of Inspection Results. Mark and record inspection results asrequired by paragraph 1.3.2.21.4 BackupMethod. None required.2.21.5 SystemSecuring. The main rotor blade, if removed, requires installation in accordancewith the applicable technical manuals listed in Table 1-1.Figure 2-21. Main Rotor Blade Cuff Assembly
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