TM 1-1520-238-23
9-224
9.61.
LIGHTING PROVISIONS COMPONENTS INSPECTION – continued
j. Check connector operation for smooth positive locking action (TM 55-1500-323-24).
k. Check electrical terminals for damaged threads and loose mounting (TM 55-1500-323-24). Thread
damage not to exceed 50 percent of one thread.
l. Check terminals, shields, and covers for damage and loose mounting (TM 55-1500-323-24).
m. Check navigation, anti-collision, and formation lights for loose mounting and loose or missing hard-
ware.
n. Check navigation, anti-collision, and formation lights for cracked or discolored lenses. Check for
evidence of moisture.
(1) Minor scratches without burrs or raised material that do not penetrate through finish are acceptable.
(2) Nicks and gouges that exceed maximum depth of 0.040 INCH or 10 percent of material thickness not
allowed.
o. Check interior and exterior lights for defective lamps (TM 55-1500-323-24).
p. Check pilot and CPG lighting control panels for loose mounting and cracked or broken light indicating
panels. None allowed.
q. Inspect pilot and CPG lighting switches for loose mounting and loose or broken knobs.
r. Inspect cockpit interior lighting for loose mounting, chafed or broken wires, and loose connections.
s. Check pilot and CPG lighting control panel knobs for cracks. None allowed.
t. Check pilot and CPG lighting control panel knobs for looseness and excessive free play.
u. Check for damaged or missing nutplates (TM 1-1500-204-23). Replace as necessary.
END OF TASK
