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
A. Referenced Information
3. Fault Confirmation
Subtask 33-12-00-710-056-A
Subtask 33-12-00-810-053-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:31:51 UTC
Failure at the First Officer Console and Briefcase Lights
1. Possible Causes
18LE 20LE 22LE 24LE - wiring
SW-CONSOLE/FLOOR (16LE)
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 |
Subtask 33-12-00-710-056-A
A. Test
Do the operational test of the general illumination AMM 33-12-00-710-001.
4. Fault IsolationDo the operational test of the general illumination AMM 33-12-00-710-001.
NOTE: Do this test for the console and briefcase lights only.
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:
Subtask 33-12-00-810-053-B ** ON A/C NOT FOR ALL (1) One console light on the First Officer side does not operate correctly:
- remove the defective lamp
18LE or20LE or22LE or24LE AMM 33-12-15-000-001. - make sure that there is 28VDC at the lamp socket.
- replace the defective lamp AMM 33-12-15-400-001.
- do a check and repair the wiring ASM 331201.
- do a check for a ground signal at pin 1D of the CONSOLE/FLOOR switch (16LE) in the BRT position ASM 331201.
- replace the
SW-CONSOLE/FLOOR (16LE) AIPC 331208.
- repair the wiring between the CONSOLE/FLOOR switch (16LE) pin 3D and the ground terminal ASM 331201.
- do a check for 28VDC at pin 2A of the CONSOLE/FLOOR switch (16LE) ASM 331201.
- do a check and repair the wiring between the CONSOLE/FLOOR switch (16LE) and the First Officer console and briefcase lights ASM 331201.
- replace the
SW-CONSOLE/FLOOR (16LE) AIPC 331208.
- repair the wiring from the CONSOLE/FLOOR switch (16LE) to the first terminal block ASM 331201.
A. If, during the operational test:
(1) One console light on the First Officer side does not operate correctly:
Subtask 33-12-00-710-057-A (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.
- Replace the defective console light
18LE or20LE or22LE or briefcase light24LE AMM 33-12-15-000-001. - Replace the defective lamp AMM 33-12-15-400-001.
- Do a check and repair the wiring ASM 331201.
- Do a check for a ground signal at pin 1D of the CONSOLE/FLOOR switch (16LE) in the BRT position ASM 331201.
- Replace
SW-CONSOLE/FLOOR (16LE) AIPC 331208.
- Repair the wiring between the CONSOLE/FLOOR switch (16LE) pin 3D and the ground terminal.
- Do a check for 28VDC at pin 2A of the CONSOLE/FLOOR switch (16LE) ASM 331201.
- do a check and repair the wiring between the CONSOLE/FLOOR switch (16LE) and the First Officer console and briefcase lights ASM 331201.
- Replace
SW-CONSOLE/FLOOR (16LE) AIPC 331208.
- Repair the wiring from the CONSOLE/FLOOR switch (16LE) to the first terminal block.
B. Do the test given in Para. 3.