DOC AIRBUS | TSM A320FLoss of the GND/FLT Information
TASK 30-42-00-810-826-A
Loss of the GND/FLT Information
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 30-42-00-710-100-A
Subtask 30-42-00-810-075-A
[Rev.8 from Aug 2018]
2026.04.04 04:29:43 UTC
Loss of the GND/FLT Information
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 30-42-00-710-001 | Operational Test of the Windshield Anti-Icing and Defogging |
| ASM 304202 | |
| AMM 30-42-34-000-001 | Removal of the Window Heat Computer (WHC) |
| AMM 30-42-34-400-001 | Installation of the Window Heat Computer (WHC) |
| AMM 32-31-71-000-001 | Removal of the LGCIU |
| AMM 32-31-71-400-001 | Installation of the LGCIU |
Subtask 30-42-00-710-100-A
A. Test
(1) Do the operational test of the windshield anti-icing and defogging AMM 30-42-00-710-001.
4. Fault Isolation(1) Do the operational test of the windshield anti-icing and defogging AMM 30-42-00-710-001.
Subtask 30-42-00-810-075-A
A. If the test gives the maintenance message CHECK LGCIU - WHC 2 INTERFACE:
1 Do a check and repair the wiring :
Subtask 30-42-00-710-101-A - do a check for ground at pin B/F and/or pin B/T of the WHC 2 (2DG2).
- replace the WHC-2 [2DG2] , AMM 30-42-34-000-001 and AMM 30-42-34-400-001.
- replace the LGCIU-1 [5GA1] , AMM 32-31-71-000-001 and AMM 32-31-71-400-001.
- replace the LGCIU-2 [5GA2] .
1 Do a check and repair the wiring :
- from the WHC 2 (2DG2) pin B/F to the LGCIU 1 (5GA1) pin AB/14E and/or
- from the WHC 2 (2DG2) pin B/T to the LGCIU 2 (5GA2) pin AB/14E.
B. Do the operational test given in Para. 3.