ROPS Function Inoperative on FAC2

TASK 22-66-00-810-904-A
ROPS Function Inoperative on FAC2

1. Possible Causes

wiring from TAWS computer 1WZ (GPWC) pins AB/1C, 1D to the FAC2 computer (1CC2) pins AA/14J, 14K

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 31-32-00-810-934-A	Failure of the Digital Links
ASM 226901
AMM 34-48-00-740-002	BITE Test of the GPWS
ASM 344801

3. Fault Confirmation
Subtask 22-66-00-710-224-A ** ON A/C NOT FOR ALL

A. Not applicable, you cannot confirm this fault on the ground.

4. Fault Isolation
Subtask 22-66-00-810-189-A ** ON A/C NOT FOR ALL

A. If the AFS:TAWS XMTR/FAC2 1CC2 failure message is shown on the Post Flight Report (PFR):
(1) Do the BITE test of the TAWS (GPWS) AMM 34-48-00-740-002.
(a) If the test is not OK, do the related trouble shooting procedure.
(b) If the test is OK:
1 Do a check of the ARINC links between FAC2 and its receivers (Ref. TSM TASK 31-32-00-810-934) with ASM 344801.
2 Do a check and repair the wiring from TAWS computer 1WZ (GPWC) pins AB/1C, 1D to the FAC2 computer (1CC2) pins AA/14J, 14K ASM 226901.
3 If the wiring is OK:

Print any TSD for FAC2 and send it back to Airbus for subsequent analysis.

[Rev.8 from Aug 2018] 2026.04.04 04:25:25 UTC