CUSTOMIZATION AIRCRAFT TYPES DOCTYPES REVISION DATE REVISION NUMBER TITLE
IAD A318 A319 A321 A320 AMM 01-Aug-2023 9 23-12-11-000-001-A - Removal of the VHF Antennas
TAIL NUMBER - MSN - FSN:
Print date: 2023-08-11 00:06:03
** ON A/C FSN ALL
TASK 23-12-11-000-001-A
Removal of the VHF Antennas
FIN: 4RC1 4RC2
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURE
R'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING: MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELE
CTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.
WARNING: MAKE SURE THAT NO PERSONS STAY WITHIN A RADIUS OF 1 METER (3 FEET) AROUND AND ABO
VE THE VHF ANTENNA. THE ANTENNA USES HIGH POWER WHEN IT TRANSMITS AND CAN CAUS
E INJURY TO PERSONS.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
QT
REFERENCE DESIGNATION
Y
No specific AR CAP - BLANKING
No specific AR SAFETY CLIP - CIRCUIT BREAKER
No specific 1 SCRAPER - NON METALLIC
FOR 4RC1(ANTENNA-VHF, 1)
No specific 1 ACCESS PLATFORM 6M (20 FT)
B. Consumable Materials
REFERENCE DESIGNATION
05RDA1 Adhesive Film Tape-Masking - -
C. Work Zones and Access Panels
ZONE/ACCESS ZONE DESCRIPTION
154 U/FLOOR BAY OF AFT CARGO COMPARTMENT
220 FWD CAB UTILITY AREAS
D. Referenced Information
© AIRBUS S.A.S. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT.
CUSTOMIZATION AIRCRAFT TYPES DOCTYPES REVISION DATE REVISION NUMBER TITLE
IAD A318 A319 A321 A320 AMM 01-Aug-2023 9 23-12-11-000-001-A - Removal of the VHF Antennas
TAIL NUMBER - MSN - FSN:
Print date: 2023-08-11 00:06:03
REFERENCE DESIGNATION
** ON A/C FSN 401-450
Ref. 23-28-00-040-801-A Deactivation of the SATCOM Antenna for Maintenance
** ON A/C FSN ALL
Ref. 24-41-00-861-002-A Energize the Aircraft Electrical Circuits from the External Power
Ref. 24-41-00-861-002-A01 Energize the Aircraft Electrical Circuits from the APU
Ref. 24-41-00-861-002-A02 Energize the Aircraft Electrical Circuits from Engine 1(2)
Ref. Fig. VHF Antennas
3. Job Set-up
SUBTASK 23-12-11-860-053-B
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
Ref. AMM TASK 24-41-00-861-002.
** ON A/C FSN 401-450
SUBTASK 23-12-11-040-053-A
B. Deactivation of the SATCOM Antenna
WARNING: BEFORE YOU DO MAINTENANCE WORK WITHIN A RADIUS OF 7 METERS (23 FEET)
AROUND AND ABOVE THE SATCOM ANTENNA, MAKE SURE THAT THE ANTENNA IS
DE-ENERGIZED. THE ANTENNA USES HIGH POWER WHEN IT TRANSMITS AND CAN
CAUSE INJURY TO PERSONS.
(1) Do the deactivation of the SATCOM antenna for maintenance
Ref. AMM TASK 23-28-00-040-801.
** ON A/C FSN ALL
SUBTASK 23-12-11-865-050-A
C. Open, safety and tag the circuit breaker(s) that follow(s). Use the SAFETY CLIP - CIRCUIT BREAKER as
necessary.
PANEL DESIGNATION FIN LOCATION
FOR FIN 4RC1(ANTENNA-VHF, 1)
49VU COM/VHF/1 2RC1 G09
FOR FIN 4RC2(ANTENNA-VHF, 2)
** ON A/C FSN 001-050, 101-150, 201-250, 351-450, 510-511, 513-550
121VU COM/VHF/2 2RC2 L04
** ON A/C FSN 051-100, 251-300, 451-508, 601-650
121VU COM NAV/VHF/2 2RC2 L04
** ON A/C FSN ALL
SUBTASK 23-12-11-010-050-A
D. Get Access
WARNING: BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH I
T TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THI
S CAN KILL YOU OR CAUSE YOU INJURY.
(1) Get access to the VHF Antennas:
© AIRBUS S.A.S. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT.
CUSTOMIZATION AIRCRAFT TYPES DOCTYPES REVISION DATE REVISION NUMBER TITLE
IAD A318 A319 A321 A320 AMM 01-Aug-2023 9 23-12-11-000-001-A - Removal of the VHF Antennas
TAIL NUMBER - MSN - FSN:
Print date: 2023-08-11 00:06:03
(a) FOR 4RC1 (ANTENNA-VHF, 1)
put the ACCESS PLATFORM 6M (20 FT) in position at Zone 220.
(b) FOR 4RC2 (ANTENNA-VHF, 2)
find the VHF antenna 4RC2 at Zone 154.
4. Procedure
Ref. Fig. VHF Antennas
SUBTASK 23-12-11-020-050-A
A. Removal of the VHF Antenna 4RC1
(1) Remove the sealant from the heads of the screws (6) with a SCRAPER - NON METALLIC.
(2) Remove the sealant from the base of the antenna (1) and the fuselage structure with a SCRAP
ER - NON METALLIC.
(3) Remove the screws (6) from the antenna (1).
(4) Lift the antenna (1) until you can see the coaxial cable connector (4).
(5) Disconnect the coaxial cable connector (4) from the antenna connector (2).
(6) Safety the coaxial cable (5). Put Adhesive Film Tape-Masking - - (Material Ref. 05RDA1) aroun
d the coaxial cable (5) and attach it to the fuselage.
(7) Put the CAP - BLANKING on each disconnected electrical connector and receptacle.
(8) Remove and discard the O-ring (3) from the antenna (1).
SUBTASK 23-12-11-020-054-A
B. Removal of VHF Antenna 4RC2
(1) Remove the sealant from the heads of the screws (6) and (7) with the SCRAPER - NON METAL
LIC.
(2) Remove the sealant from the bottom of the antenna (1) and the fuselage structure with the SC
RAPER - NON METALLIC.
(3) Remove the screws (6) and (7) from the antenna (1):
(a) Record the positions of the screws (6) and (7) for the installation procedure.
(4) Lift the antenna (1) until you can see the coaxial cable connector (4).
(5) Disconnect the coaxial cable connector (4) from the antenna connector (2).
(6) Safety the coaxial cable (5) as follows:
(a) Apply the Adhesive Film Tape-Masking - - (Material Ref. 05RDA1) around the coaxial ca
ble (5).
(b) Attach the coaxial cable (5) to the fuselage structure.
(7) Put the CAP - BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the O-ring (3) from the antenna (1).
(9) Discard the O-ring (3).
© AIRBUS S.A.S. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT.
CUSTOMIZATION AIRCRAFT TYPES DOCTYPES REVISION DATE REVISION NUMBER TITLE
IAD A318 A319 A321 A320 AMM 01-Aug-2023 9 23-12-11-000-001-A - Removal of the VHF Antennas
TAIL NUMBER - MSN - FSN:
Print date: 2023-08-11 00:06:03
Z220
B
Z150
FR18
FR20
FWD PAX DOOR
AFT CARGO
COMPARTMENT DOOR
FR51
FR52
D
B
N_MM_231211_4_AAM0_01_01
Figure 23-12-11-991-00100-00-A (SHEET 1/2) - VHF Antennas
** ON A/C FSN ALL
© AIRBUS S.A.S. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT.
CUSTOMIZATION AIRCRAFT TYPES DOCTYPES REVISION DATE REVISION NUMBER TITLE
IAD A318 A319 A321 A320 AMM 01-Aug-2023 9 23-12-11-000-001-A - Removal of the VHF Antennas
TAIL NUMBER - MSN - FSN:
Print date: 2023-08-11 00:06:03
1 4RC1
6 x10
4 5
5 4
2 6 x8
C
4RC2 1
N_MM_231211_4_AAM0_02_01
Figure 23-12-11-991-00100-00-A (SHEET 2/2) - VHF Antennas
** ON A/C FSN ALL
© AIRBUS S.A.S. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT.
