W DOC AIRBUS | AMM A320F

Removal of the Flight Augmentation Computer (FAC)

TASK 22-66-34-000-002-A
Removal of the Flight Augmentation Computer (FAC)

ZONE: 127
ZONE: 128
FIN: 1CC1
FIN: 1CC2
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
127
REAR AVIONIC COMPARTMENT
128
REAR AVIONIC COMPARTMENT
824
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 31-32-00-860-001-A
Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page
F Flight Augmentation computer (FAC)
3. Job Set-up
Subtask 22-66-34-861-051-A
A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 22-66-34-810-050-A
B. Trouble Shooting Data
You can print the Trouble Shooting Data (TSD) as follows:
  • get access to the SYSTEM REPORT/TEST menu page (Ref. AMM TASK 31-32-00-860-001),
  • on this page, push the line key adjacent to the AFS indication,
  • on the AFS MAIN MENU page, push the line key adjacent to the TROUBLE SHOOTING DATA indication to get the AFS/TROUBLE SHOOTING page,
  • on this page, push the line key adjacent to the BITE SELECTION (FAC1 and FAC2, COM and MON indications to get the AFS/TROUBLE SHOOTING page(s),
  • print the AFS/TROUBLE SHOOTING page(s).
Subtask 22-66-34-865-051-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1CC1 (FAC1)
49VUAUTO FLT/FAC1/28VDC5CC1B04
49VUAUTO FLT/FAC1/26VAC14CC1B03
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1H10
49VUAUTO FLT/FAC1/26VAC14CC1H09
** ON A/C ALL
FOR FIN: 1CC2 (FAC2)
121VUAUTO FLT/FAC2/28VDC5CC2M19
121VUAUTO FLT/FAC2/26VAC14CC2M18
Subtask 22-66-34-010-051-A
D. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 128.
   (2) Open the access door 824.
4. Procedure
Subtask 22-66-34-020-051-A
A. Removal of the FAC
NOTE: The procedure is the same for the FACS 1CC1 and 1CC2.
   (1) Loosen the nuts (3) on the front of the rack (2).
   (2) Lower the nuts (3) to release the studs (4).
   (3) Pull the FAC (5) on its rack (2) to disconnect the electrical connectors (1).
   (4) Remove the FAC (5) from its rack (2).
   (5) Put CAP - BLANKING on the electrical connectors (1).
[Rev.10 from 2021] 2026.03.31 23:10:33 UTC
"Aviabrain" 2025