LIGHT LEAK TEST
COPILOTS INSTRUMENT PANEL LIGHTS
While performing steps 13 through 15, check
copilots instrument lighting. There shall be no
white light leaks from NVG blue/green lighting.
Close CPLT INST LIGHTING circuit breaker (22)
of No. 1 PDP (23).
Turn CPLT INST control (24) to BRT. Check lights
given in step 3 of pilots instrument panel (25).
Brightness shall increase evenly as control is
turned and light color shall be blue/green.
There is no cruise guide indicator on
copilots instrument panel.
Turn control (24) to OFF. Check instrument and
panel lights of step 14. They shall decrease in
brightness as control is turned. When control is
at OFF, panel lights shall be off.
Open circuit breaker (22) in No. 1 PDP (23).