Inspection Procedure. Refer to Eddy Current Method, paragraph 1.4.11 and Figure 6-26.
Place probe on a good area in the inspection location and null. Adjust phase as required to obtain horizontal lift-
Inspect the part.
Any signal similar to the notches in the test block is cause for rejection.
Either probe identified in paragraph 220.127.116.11 may be used depending primarily on the ease of accessibility and user
friendliness. If the probes are changed, steps 18.104.22.168 b. (1), (2), and (3) shall be repeated each time a change is
Marking and Recording of Inspection Results. Mark and record the inspection results as required by
Backup Method. None required.
System Securing. The pilot directional SPAD transducer arm requires installation in accordance with the
applicable technical manuals listed in Table 1-1.
Figure 6-26. Pilot directional shear Pin activated Decoupler (SPAD) Transducer Arm