TM 1-1520-253-23
4.19.3.6
Inspection Procedure. Refer to Eddy Current Method, paragraph 1.4.11 and Figure 4-19.
a.
Place probe on part in the inspection locations and null. Adjust phase as required to obtain horizontal lift-
off.
b.
Inspect the part.
c.
Any signal similar to the notches in the test block is cause for rejection.
NOTE
Either probe identified in paragraph 4.19.3.1 may be used depending primarily on the
ease of accessibility and user friendliness. If the probes are changed, steps 4.19.3.5 b.
(1), (2), and (3) shall be repeated each time a change is made.
4.19.3.7
Marking and Recording of Inspection Results. Mark and record as required by paragraph 1.3.
4.19.4 Backup Method. None required.
4.19.5 System Securing. If removed, the forward landing gear torque arm requires installation in accordance with the
applicable technical manuals listed in Table 1-1.
LOWER DRAG LINK ASSEMBLY HARDWARE (MT).
4.20.1 Description (Figure 4-1. Index No. 20). This inspection is applicable to the fitting, retainer static lock
mechanism, fork, all bolts, and pins contained in the lower drag link assembly.
4.20.2 Defects. Defects may occur anywhere on the surface of the parts listed above. No cracks are allowed.
4.20.3 Primary Method. Magnetic Particle.
