DOC AIRBUS | AMM A320FDetailed Inspection of the Radome
TASK 53-15-11-200-001-A-01
Detailed Inspection of the Radome
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 53-15-11-861-050-A Subtask 53-15-11-010-059-A
Subtask 53-15-11-100-051-A
Subtask 53-15-11-220-058-A
Subtask 53-15-11-865-079-A
[Rev.10 from 2021]
2026.04.01 01:51:51 UTC
Detailed Inspection of the Radome
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING:
DO NOT OPEN THE RADOME IF THE WIND SPEED IS MORE THAN 25 KNOTS.
CAUTION:
MAKE SURE THAT THE TEMPORARY REPAIR STAYS IN THE CORRECT CONDITION UNTIL YOU DO THE PERMANENT REPAIR.
1. Reason for the JobNOTE: This procedure is applicable to the S2 GLASS radome (P/N D53132110000 and P/N D53132210000).
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08ABC1) | Aqueous Cleaner-Aircraft Exterior Pressure Spraying - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 110 | RADOME (NOSE CONE TO FR 1) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 24-42-00-862-001-A | De-energize the Ground Service Network Supplied from the External Power |
| TASK 53-15-11-000-001-A | Removal of the Radome |
| TASK 53-15-11-010-001-A | Opening of the Radome |
| TASK 53-15-11-300-001-A | Repair of the Radome |
| TASK 53-15-11-400-001-A | Installation of the Radome |
| TASK 53-15-11-400-001-A-01 | Installation of the Radome |
| TASK 53-15-11-410-001-A | Closing of the Radome |
| TASK 53-15-11-700-002-A | Tap Test of the Radome |
Damage AreasSubtask 53-15-11-861-050-A Subtask 53-15-11-010-059-A
B. Get Access
(1) Put the WARNING NOTICE(S) in position in the cockpit to tell the person not to operate the radar system.
(2) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 110.
Subtask 53-15-11-865-078-A (1) Put the WARNING NOTICE(S) in position in the cockpit to tell the person not to operate the radar system.
(2) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 110.
WARNING:
MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE OPENED, SAFETIED AND TAGGED.
C. Open, safety and tag this(these) circuit breaker(s):| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | COM NAV/RADAR/1 | 5SQ1 | K13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/RADAR/2 | 5SQ2 | K14 |
D. Cleaning of the Radome
(1) Remove all the particles and contamination with a vacuum cleaner.
(2) Clean the radome with Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) or Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) and a soft brush or the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Dry the radome with the Textile-Lint free Cotton - (Material No.14SBA1) before the Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) or the Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) becomes dry.
Subtask 53-15-11-210-056-A (1) Remove all the particles and contamination with a vacuum cleaner.
(2) Clean the radome with Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) or Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) and a soft brush or the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Dry the radome with the Textile-Lint free Cotton - (Material No.14SBA1) before the Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) or the Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) becomes dry.
E. Preparation for the Inspection
(1) Do a check of the inspection area for damage in zone B (monolithic area). If there is damage other than paint peeling:
(a) Immediately remove the radome and send it to a repair station (Ref. AMM TASK 53-15-11-000-001).
(b) Install a new radome (Ref. AMM TASK 53-15-11-400-001).
(2) Do a check of the inspection area for damage in zone A. If there is damage:
(a) Measure distance X between two adjacent damage areas:
1 If X is more than 300 mm (11.8110 in.), there are two different damage areas.
2 If X is less than 300 mm (11.8110 in.):
a If X is more than or equal to the maximum damage diameter (dia.i or dia.j), there are two different damage areas.
b If X is less than the maximum damage diameter (dia.i or dia.j), there is one damage area.
(b) Measure the distance between the repair areas:
1 Compare one or more new damage areas with one or more existing repair areas:
3 If you have the maximum number of permitted repair areas, the new repair area must include the existing repair areas, if possible. If not, replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(c) Measure the distance between the damage of zone A and zone B:
1 The distance between the damage of zone A and zone B must be more than minimum C = 0 mm (0.0000 in.).
2 If C is more than or equal to minimum C, a repair is permitted. Refer to the next paragraph for permitted types of damage.
3 If C is less than minimum C:
4. Procedure(1) Do a check of the inspection area for damage in zone B (monolithic area). If there is damage other than paint peeling:
(a) Immediately remove the radome and send it to a repair station (Ref. AMM TASK 53-15-11-000-001).
(b) Install a new radome (Ref. AMM TASK 53-15-11-400-001).
(2) Do a check of the inspection area for damage in zone A. If there is damage:
(a) Measure distance X between two adjacent damage areas:
1 If X is more than 300 mm (11.8110 in.), there are two different damage areas.
2 If X is less than 300 mm (11.8110 in.):
a If X is more than or equal to the maximum damage diameter (dia.i or dia.j), there are two different damage areas.
b If X is less than the maximum damage diameter (dia.i or dia.j), there is one damage area.
(b) Measure the distance between the repair areas:
1 Compare one or more new damage areas with one or more existing repair areas:
- Minimum distance Y between one or more existing repair areas and one or more new damage areas after the tap test is 150 mm (5.9055 in.).
3 If you have the maximum number of permitted repair areas, the new repair area must include the existing repair areas, if possible. If not, replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(c) Measure the distance between the damage of zone A and zone B:
1 The distance between the damage of zone A and zone B must be more than minimum C = 0 mm (0.0000 in.).
2 If C is more than or equal to minimum C, a repair is permitted. Refer to the next paragraph for permitted types of damage.
3 If C is less than minimum C:
- Immediately remove the radome and send it to a repair station (Ref. AMM TASK 53-15-11-000-001).
- Install a new radome (Ref. AMM TASK 53-15-11-400-001).
Subtask 53-15-11-220-058-A
A. Inspection of the Outer Face of the Radome (S2 GLASS Radome: P/N D53132110000 and P/N D53132210000).
1 If the diameter of the damage is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair in the next 600 Flight Hours (FH) (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter of the damage is less than 250 mm (9.8425 in.):
a Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
b Replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
3 If the diameter of the damage is more than 250 mm (9.8425 in.):
(a) Although there can be many paint-peeling damage areas, make sure that the total surface of the damage area is less than or equal to 490 cm2 (75.9501 in.2).
(b) If the total surface of the damage area is less than or equal to 490 cm2 (75.9501 in.2):
1 If the damage includes the composite material of the outer skin of the radome, refer to step 4.A.(1) for scratches, gouges and nicks.
2 If minimum one layer of paint is removed:
a Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
b Do a paint touch-up in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
(c) If the total surface of the damage area is more than 490 cm2 (75.9501 in.2), replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(3) Do an inspection for burn spots
(b) If there are burn spots on the lightning stud:
1 If there is one damage area, measure diameter Y:
a If Y is less than 7 mm (0.2756 in.), no procedure is immediately necessary. Do a permanent repair in the next 600 FH or during the next check (Ref. AMM TASK 53-15-11-300-001).
b If Y is more than 7 mm (0.2756 in.) or the depth of damage is 2 mm (0.0787 in.) and less than 1/3 of the countersunk area is damaged:
1 Make sure that the locking handle operates correctly:
a If the locking handle operates correctly, 600 FH are permitted before it is necessary to change the locking handle.
(a) Do a tap test to get the delamination diameter (Ref. AMM TASK 53-15-11-700-002).
1 Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
2 Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
(c) If the diameter of the damage is less than 250 mm (9.8425 in.):
1 Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
2 Replace the radome in next 600 FH (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(d) If the diameter of the damage is more than 250 mm (9.8425 in.):
(a) If there are black marks on the radome, clean the surface area with Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) .
(6) Do an inspection for perforations
1 If the diameter is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter is more than 50 mm (1.9685 in.), replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(b) If the perforation goes through or causes damage to the honeycomb core, replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
Subtask 53-15-11-220-059-A NOTE: If the radome is installed with a radome boot, you can do the inspection (which includes the tap test) while the radome boot is installed. It is not necessary to remove the boot.
(1) Do an inspection for scratches, gouges and nicks:NOTE: It is permitted to have:
(a) If the area has one layer that has scratches: - One damage area with a maximum diameter less than 250 mm (9.8425 in.), or
- Five damage areas with a maximum diameter less than 50 mm (1.9685 in.) for each damage area.
1 If the diameter of the damage is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair in the next 600 Flight Hours (FH) (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter of the damage is less than 250 mm (9.8425 in.):
a Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
b Replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
3 If the diameter of the damage is more than 250 mm (9.8425 in.):
- Immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
- Immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
CAUTION:
DO NOT PUT POLYURETHANE TAPE OR SELF-ADHESIVE PATCHES ON MORE THAN 490 cm2 (75.95 in.2) OF THE RADOME SURFACE.
BEFORE YOU DO A TEMPORARY REPAIR, MAKE SURE THAT THE RADOME DOES NOT HAVE POLYURETHANE TAPE OR SELF-ADHESIVE PATCHES ON MORE THAN 490 cm2 (75.95 in.2) OF ITS SURFACE.
IF THERE IS ALREADY A TEMPORARY REPAIR SOLUTION ON MORE THAN 490 cm2 (75.95 in.2) OF THE RADOME SURFACE:
(2) Do an inspection for peeling of the paint- DO A PERMANENT REPAIR OR
- IMMEDIATELY REMOVE AND REPLACE THE RADOME.
(a) Although there can be many paint-peeling damage areas, make sure that the total surface of the damage area is less than or equal to 490 cm2 (75.9501 in.2).
(b) If the total surface of the damage area is less than or equal to 490 cm2 (75.9501 in.2):
1 If the damage includes the composite material of the outer skin of the radome, refer to step 4.A.(1) for scratches, gouges and nicks.
2 If minimum one layer of paint is removed:
a Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
b Do a paint touch-up in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
(c) If the total surface of the damage area is more than 490 cm2 (75.9501 in.2), replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(3) Do an inspection for burn spots
NOTE: This inspection is not applicable to the radome structure. On the radome structure, you can find burn spots as other types of damage (perforation, scratches, etc.).
(a) Make sure that aluminum tape is used only on lightning studs.(b) If there are burn spots on the lightning stud:
1 If there is one damage area, measure diameter Y:
a If Y is less than 7 mm (0.2756 in.), no procedure is immediately necessary. Do a permanent repair in the next 600 FH or during the next check (Ref. AMM TASK 53-15-11-300-001).
b If Y is more than 7 mm (0.2756 in.) or the depth of damage is 2 mm (0.0787 in.) and less than 1/3 of the countersunk area is damaged:
- Immediately do a temporary repair with aluminum tape of 25 mm (0.9843 in.) diameter.
- Do a permanent repair in the next 600FH (Ref. AMM TASK 53-15-11-300-001).
- Immediately do a temporary repair with aluminum tape of 25 mm (0.9843 in.) diameter.
- Only one flight is permitted after the temporary repair.
- After one flight, do a permanent repair (Ref. AMM TASK 53-15-11-300-001).
1 Make sure that the locking handle operates correctly:
a If the locking handle operates correctly, 600 FH are permitted before it is necessary to change the locking handle.
NOTE: The locking handle operates correctly if:
b If the locking handle does not operate correctly:- You can close the latch
- You can lock the latch
- You can open the latch
- The tension of the latch is correct and adjustable
- The steps, the clearances and the flushness values are correct.
- Immediately replace the locking handle, or
- Immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(a) Do a tap test to get the delamination diameter (Ref. AMM TASK 53-15-11-700-002).
NOTE: It is permitted to have:
(b) If the diameter of the damage is less than or equal to 50 mm (1.9685 in.): - One damage area with a maximum diameter less than 250 mm (9.8425 in.).
- Five damage areas with a maximum diameter less than 50 mm (1.9685 in.) for each damage area.
1 Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
2 Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
(c) If the diameter of the damage is less than 250 mm (9.8425 in.):
1 Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
2 Replace the radome in next 600 FH (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(d) If the diameter of the damage is more than 250 mm (9.8425 in.):
- Immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(a) If there are black marks on the radome, clean the surface area with Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) .
(6) Do an inspection for perforations
NOTE: A maximum of five perforations is permitted on the radome.
(a) If the perforation does not cause damage to the honeycomb core: 1 If the diameter is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter is more than 50 mm (1.9685 in.), replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(b) If the perforation goes through or causes damage to the honeycomb core, replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
B. Inspection of the Inner Face of the Radome (S2 GLASS Radome: P/N D53132110000 and P/N D53132210000).
(1) Open the radome (Ref. AMM TASK 53-15-11-010-001).
(2) If there are burn spots on the pick-up arrester fittings and its fasteners (radome-to-structure junction):
(a) Check the electrical bonding:
1 If it is correct, no procedure is immediately necessary. After 600FH replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
2 If it is not correct, immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(3) Do an inspection for scratches, gouges and nicks
1 If the diameter of the damage is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter of the damage is less than 250 mm (9.8425 in.):
a Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
b Remove the radome and send it to a repair station for permanent repair in next 600FH (Ref. AMM TASK 53-15-11-000-001).
c Install a new radome (Ref. AMM TASK 53-15-11-400-001).
3 If the diameter of the damage is more than 250 mm (9.8425 in.):
(a) Do a tap test to get the delamination diameter (Ref. AMM TASK 53-15-11-700-002).
1 Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
2 Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
(c) If the diameter of the damage is less than 250 mm (9.8425 in.):
1 Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
2 Replace the radome in the next 600 FH (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(d) If the diameter of the damage is more than 250 mm (9.8425 in.):
1 If the diameter is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter is more than 50 mm (1.9685 in.):
a Immediately remove the radome and send it to a repair station (Ref. AMM TASK 53-15-11-000-001).
b Install a new radome (Ref. AMM TASK 53-15-11-400-001).
(b) If the perforation goes through or causes damage to the honeycomb core, replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(6) Close the radome (Ref. AMM TASK 53-15-11-410-001).
5. Close-up(1) Open the radome (Ref. AMM TASK 53-15-11-010-001).
(2) If there are burn spots on the pick-up arrester fittings and its fasteners (radome-to-structure junction):
(a) Check the electrical bonding:
1 If it is correct, no procedure is immediately necessary. After 600FH replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
2 If it is not correct, immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(3) Do an inspection for scratches, gouges and nicks
NOTE: It is permitted to have:
(a) If the area has one layer that has scratches: - One damage area with a maximum diameter less than 250 mm (9.8425 in.), or
- Five damage areas with a maximum diameter less than 50 mm (1.9685 in.) for each damage area.
1 If the diameter of the damage is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter of the damage is less than 250 mm (9.8425 in.):
a Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
b Remove the radome and send it to a repair station for permanent repair in next 600FH (Ref. AMM TASK 53-15-11-000-001).
c Install a new radome (Ref. AMM TASK 53-15-11-400-001).
3 If the diameter of the damage is more than 250 mm (9.8425 in.):
- Replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
- Immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(a) Do a tap test to get the delamination diameter (Ref. AMM TASK 53-15-11-700-002).
NOTE: It is permitted to have:
(b) If the diameter of the damage is less than or equal to 50 mm (1.9685 in.): - One damage area with a maximum diameter less than 250 mm (9.8425 in.).
- Five damage areas with a maximum diameter less than 50 mm (1.9685 in.) for each damage area.
1 Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
2 Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
(c) If the diameter of the damage is less than 250 mm (9.8425 in.):
1 Immediately do a temporary repair with polyurethane tape (Ref. AMM TASK 53-15-11-300-001).
2 Replace the radome in the next 600 FH (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(d) If the diameter of the damage is more than 250 mm (9.8425 in.):
- Immediately replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
NOTE: A maximum of five perforations is permitted on the radome.
(a) If the perforation does not cause damage to the honeycomb core: 1 If the diameter is less than or equal to 50 mm (1.9685 in.):
a Immediately do a temporary repair with polyurethane tape or patches (Ref. AMM TASK 53-15-11-300-001).
b Do a permanent repair by resin injection in the next 600 FH (Ref. AMM TASK 53-15-11-300-001).
2 If the diameter is more than 50 mm (1.9685 in.):
a Immediately remove the radome and send it to a repair station (Ref. AMM TASK 53-15-11-000-001).
b Install a new radome (Ref. AMM TASK 53-15-11-400-001).
(b) If the perforation goes through or causes damage to the honeycomb core, replace the radome (Ref. AMM TASK 53-15-11-000-001) and (Ref. AMM TASK 53-15-11-400-001).
(6) Close the radome (Ref. AMM TASK 53-15-11-410-001).
Subtask 53-15-11-865-079-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 53-15-11-410-059-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | COM NAV/RADAR/1 | 5SQ1 | K13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/RADAR/2 | 5SQ2 | K14 |
B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).