DOC AIRBUS | AMM A320FDeactivation of the External-Power Receptacle Door 121AL
TASK 52-42-00-040-003-A
Deactivation of the External-Power Receptacle Door 121AL
CDL 52-07
EXTERNAL POWER GROUND CONNECTION ACCESS DOOR ASSY 121 AL
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 52-42-00-010-052-A
Subtask 52-42-00-040-052-A
Subtask 52-42-00-860-055-A
[Rev.10 from 2021]
2026.04.02 06:28:17 UTC
Deactivation of the External-Power Receptacle Door 121AL
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobCDL 52-07
EXTERNAL POWER GROUND CONNECTION ACCESS DOOR ASSY 121 AL
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 1M(3 FT) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.05RAB9) | Adhesive Film Tape-- Aluminium Foil - |
| (Material No.08BPA1) | Non Aqueous Cleaner-Non structural use - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 120 | AVIONICS COMPARTMENT |
| 121AL |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 52-42-12-000-001-A | Removal of the External-Power Receptacle Door (121AL) |
External-Power Receptacle Door 121ALSubtask 52-42-00-010-052-A
A. Get Access
(1) Put the ACCESS PLATFORM 1M(3 FT) in position below the external-power receptacle door 121AL.
(2) Open the external-power receptacle door 121AL.
4. Procedure(1) Put the ACCESS PLATFORM 1M(3 FT) in position below the external-power receptacle door 121AL.
(2) Open the external-power receptacle door 121AL.
Subtask 52-42-00-040-052-A
A. Deactivation of External-Power Receptacle Door 121AL
(1) Remove damaged external-power receptacle door 121AL (Ref. AMM TASK 52-42-12-000-001).
(2) Clean the fuselage around the cutout of external-power receptacle door 121AL with Non Aqueous Cleaner-Non structural use - - (Material No.08BPA1) .
(3) Make sure that you clean from the cutout edge to dimension X 25.4 mm (1.00 in.) for the correct application of the high speed tape.
(4) Use the Textile-Lint free Cotton - (Material No.14SBA1) and make sure that you fully dry the belly fairing structure around the cutout to dimension X 25.4 mm (1.00 in.).
(5) Apply Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) across the cutout of external-power receptacle door 121AL:
(b) Apply the second layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) diagonally across the cutout of external-power receptacle door 121AL.
(c) Apply the third layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) diagonally opposite the second layer across the cutout of external-power receptacle door 121AL.
(d) Make sure that all the layers have an overlap of dimension Y (50% of the width of the tape in use) or a minimum of 12 mm (0.47 in.) (if the tape has insufficient width).
(e) Make sure that there is no damage or contamination before each flight.
5. Close-up(1) Remove damaged external-power receptacle door 121AL (Ref. AMM TASK 52-42-12-000-001).
(2) Clean the fuselage around the cutout of external-power receptacle door 121AL with Non Aqueous Cleaner-Non structural use - - (Material No.08BPA1) .
(3) Make sure that you clean from the cutout edge to dimension X 25.4 mm (1.00 in.) for the correct application of the high speed tape.
(4) Use the Textile-Lint free Cotton - (Material No.14SBA1) and make sure that you fully dry the belly fairing structure around the cutout to dimension X 25.4 mm (1.00 in.).
(5) Apply Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) across the cutout of external-power receptacle door 121AL:
NOTE: Replacement of the high-speed tape is necessary after 5 flight cycles.
(a) Apply the first layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) longitudinally across the cutout of external-power receptacle door 121AL. (b) Apply the second layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) diagonally across the cutout of external-power receptacle door 121AL.
(c) Apply the third layer of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) diagonally opposite the second layer across the cutout of external-power receptacle door 121AL.
(d) Make sure that all the layers have an overlap of dimension Y (50% of the width of the tape in use) or a minimum of 12 mm (0.47 in.) (if the tape has insufficient width).
(e) Make sure that there is no damage or contamination before each flight.
Subtask 52-42-00-860-055-A
A. Aircraft Maintenance Configuration
(1) Remove the access platform(s).
(2) Make an entry in the aircraft logbook.
(1) Remove the access platform(s).
(2) Make an entry in the aircraft logbook.
NOTE: You must do a check of the high-speed tape before each flight. It is necessary to replace any high-speed tape that is damaged.