W DOC AIRBUS | TSM A320F

Failure at the First Officer Console and Briefcase Lights


TASK 33-12-00-810-804-A
Failure at the First Officer Console and Briefcase Lights


1. Possible Causes
  • 18LE
  • 20LE
  • 22LE
  • 24LE
  • wiring
  • SW-CONSOLE/FLOOR (16LE)
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 33-12-00-710-001
Operational Test of the General Illumination
ASM 331201
AIPC 331208
AMM 33-12-15-000-001
Removal of the Console and Briefcase Light
AMM 33-12-15-400-001
Installation of the Console and Briefcase Light
3. Fault Confirmation
Subtask 33-12-00-710-056-A
A. Test
Do the operational test of the general illumination AMM 33-12-00-710-001.
NOTE: Do this test for the console and briefcase lights only.
4. Fault Isolation
Subtask 33-12-00-810-053-A ** ON A/C NOT FOR ALL
A. If, during the operational test:
   (1) One console light on the First Officer side does not operate correctly:
  • remove the defective lamp 18LE or 20LE or 22LE or 24LE AMM 33-12-15-000-001.
  • make sure that there is 28VDC at the lamp socket.
     (a) If there is 28VDC:
     (b) If there is no 28VDC:
   (2) The four console and briefcase lights on the First Officer side do not operate correctly:
  • do a check for a ground signal at pin 1D of the CONSOLE/FLOOR switch (16LE) in the BRT position ASM 331201.
     (a) If there is no ground signal:
       1 If the fault continues:
  • repair the wiring between the CONSOLE/FLOOR switch (16LE) pin 3D and the ground terminal ASM 331201.
     (b) If there is a ground signal:
  • do a check for 28VDC at pin 2A of the CONSOLE/FLOOR switch (16LE) ASM 331201.
       1 If there is 28VDC:
  • do a check and repair the wiring between the CONSOLE/FLOOR switch (16LE) and the First Officer console and briefcase lights ASM 331201.
       2 If there is no 28VDC:
         a If the fault continues:
  • repair the wiring from the CONSOLE/FLOOR switch (16LE) to the first terminal block ASM 331201.
Subtask 33-12-00-810-053-B ** ON A/C NOT FOR ALL
A. If, during the operational test:
   (1) One console light on the First Officer side does not operate correctly:
  • Remove the defective console light (18LE) or (20LE) or (22LE) or briefcase light (24LE) AMM 33-12-15-000-001.
  • Make sure that there is 28VDC at the light receptacle.
     (a) If there is 28VDC:
     (b) If there is no 28VDC:
   (2) The three console lights and the briefcase light on the First Officer side do not operate correctly:
  • Do a check for a ground signal at pin 1D of the CONSOLE/FLOOR switch (16LE) in the BRT position ASM 331201.
     (a) If there is no ground signal:
       1 If the fault continues:
  • Repair the wiring between the CONSOLE/FLOOR switch (16LE) pin 3D and the ground terminal.
     (b) If there is a ground signal:
  • Do a check for 28VDC at pin 2A of the CONSOLE/FLOOR switch (16LE) ASM 331201.
       1 If there is 28VDC:
  • do a check and repair the wiring between the CONSOLE/FLOOR switch (16LE) and the First Officer console and briefcase lights ASM 331201.
       2 If there is no 28VDC:
         a If the fault continues:
  • Repair the wiring from the CONSOLE/FLOOR switch (16LE) to the first terminal block.
Subtask 33-12-00-710-057-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:31:51 UTC