W DOC AIRBUS | AMM A320F

WING AND ENGINE SCAN LIGHTING - DESCRIPTION AND OPERATION


** ON A/C NOT FOR ALL
1. General
The wing and engine scan lights illuminate the wing leading edge and the engine nacelle, on each side of the aircraft fuselage. These areas can be examined during the flight or on the ground.
** ON A/C NOT FOR ALL
2. Component Location
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FIN ! FUNCTIONAL DESIGNATION ! PANEL!ZONE!ACCESS ! ATA
! ! ! ! DOOR ! REF.
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2LX SW-EXT LT/WING 25VU 210
3LX LT-WING & ENG SCAN, L 231 33-49-11
4LX LT-WING & ENG SCAN, R 232 33-49-11

** ON A/C NOT FOR ALL
3. Description
The wing and engine scan light system has two lights 3LX and 4LX . The lights are installed one on each side in the forward fuselage of the aircraft. For halogen technology, an attached transformer gives the rated operation voltage to each light. Electrical power comes from the 115 VAC busbars 202XP and 103XP through the circuit breakers 1LX and 5LX.
** ON A/C NOT FOR ALL
4. Operation
The switch 2LX is supplied with 115 VAC when:
  • the busbars 202XP and 103XP are energized,
  • the circuit breakers 1LX and 5LX are closed.
The wing and engine scan lights come on when the switch 2LX is in the ON position.
[Rev.10 from 2021] 2026.04.01 12:33:36 UTC