DOC AIRBUS | AMM A320FSpecial Detailed Inspection (Tap Test) of Elevator Top and Bottom Skin Panels in Area of Hinge Supports 2, 3 and 4 and Actuator Fittings 1 and 2, LH/RH
TASK 55-20-00-200-001-A
Special Detailed Inspection (Tap Test) of Elevator Top and Bottom Skin Panels in Area of Hinge Supports 2, 3 and 4 and Actuator Fittings 1 and 2, LH/RH
Refer to the MPD TASK: 552004-01
SPECIAL DETAILED INSPECTION (TAP TEST) OF ELEVATOR, TOP AND BOTTOM SKIN PANELS IN AREA OF HINGE SUPPORTS 2, 3 AND 4 AND ACTUATOR FITTINGS 1 AND 2, LH/RH
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 55-20-00-860-051-A
Subtask 55-20-00-210-054-A
Subtask 55-20-00-410-052-A
[Rev.10 from 2021]
2026.04.01 02:05:21 UTC
Special Detailed Inspection (Tap Test) of Elevator Top and Bottom Skin Panels in Area of Hinge Supports 2, 3 and 4 and Actuator Fittings 1 and 2, LH/RH
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING:
YOU MUST PUT ON AND ATTACH A SAFETY HARNESS BEFORE YOU START WORK:
- ON THE THS OR IN THE REAR FUSELAGE
- ON TOP OF THE WINGS OR PYLONS.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
BE CAREFUL WHEN YOU DO THE INSPECTION. THE COMPONENTS ARE MADE OF ALUMINIUM AND HAVE GLASSFIBER COVERS WHICH CAN BE EASILY DAMAGED.
ZONE: 300
1. Reason for the JobRefer to the MPD TASK: 552004-01
SPECIAL DETAILED INSPECTION (TAP TEST) OF ELEVATOR, TOP AND BOTTOM SKIN PANELS IN AREA OF HINGE SUPPORTS 2, 3 AND 4 AND ACTUATOR FITTINGS 1 AND 2, LH/RH
2. Job Set-up Information
A. 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 | AR | WARNING NOTICE(S) |
| 98D27309001000 | 1 | NEUTRAL SETTING TOOL - ELEVATOR |
| 98D27903500000 | 2 | PIN-SIDE STICK LOCKING |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 300 | STABILIZERS AND TAIL UNIT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 29-10-00-864-001-A | Depressurize the Green Hydraulic System |
| TASK 29-10-00-864-002-A | Depressurize the Yellow Hydraulic System |
| TASK 29-10-00-864-003-A | Depressurize the Blue Hydraulic System |
| NTM 552004 | |
| SRM 552100 | |
| SRM 552111 | |
Elevators - Installation of the Tool-Elevator Neutral SettingSubtask 55-20-00-860-051-A
A. System Configuration
(1) Determine the skin panels structure identification of your elevator SRM 552111.
(2) Make sure that the elevators are on their lower travel limit stops.
(3) Make sure that the inspection are is clean and smooth.
Subtask 55-20-00-860-050-A (1) Determine the skin panels structure identification of your elevator SRM 552111.
(2) Make sure that the elevators are on their lower travel limit stops.
(3) Make sure that the inspection are is clean and smooth.
B. Depressurize Hydraulic Systems
(1) Depressurize the Green, Yellow and Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
Subtask 55-20-00-865-050-A (1) Depressurize the Green, Yellow and Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 55-20-00-481-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |
D. Install Locking Devices
(1) Put the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
(2) Install the 98D27309001000 NEUTRAL SETTING TOOL - ELEVATOR on the elevator:
(a) Remove the cover from the THS hoisting point at RIB11.
(b) Release the wing nut (6).
(c) Push the plate assembly (5) on the THS traiiling edge. Make sure that the center plate (7) and the forward plate (8) rest on the THS surface.
(d) Remove the T-handle screw (1) and the washer (2) from the stowage on the center plate (7).
(e) Install the T-handle screw (1) and the washer (2) through the center plate (7) and the THS hoisting point.
(f) Make sure that:
Subtask 55-20-00-941-050-A (1) Put the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
(2) Install the 98D27309001000 NEUTRAL SETTING TOOL - ELEVATOR on the elevator:
(a) Remove the cover from the THS hoisting point at RIB11.
(b) Release the wing nut (6).
(c) Push the plate assembly (5) on the THS traiiling edge. Make sure that the center plate (7) and the forward plate (8) rest on the THS surface.
(d) Remove the T-handle screw (1) and the washer (2) from the stowage on the center plate (7).
(e) Install the T-handle screw (1) and the washer (2) through the center plate (7) and the THS hoisting point.
(f) Make sure that:
- The forward plate (8) is on the line of the rivets that attach the THS leading edge to the THS front spar.
- The bars (3) follow the line of the RIB11.
- The THS trailing edge is correctly positioned between the two parts of the plate assembly (5).
E. Safety Precautions
(1) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
(3) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 334 for the left hand elevator and/or zone 344 for the right hand elevator.
Subtask 55-20-00-860-055-A (1) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
(3) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 334 for the left hand elevator and/or zone 344 for the right hand elevator.
F. Preparation of the Inspection Areas
(1) Make sure that the outer surface of the inspection area is clean and smooth.
4. Procedure(1) Make sure that the outer surface of the inspection area is clean and smooth.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
(2) If necessary, clean the outer surface of the inspection area with the Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) . Make sure the inspection area is dry before you continue. Subtask 55-20-00-210-054-A
A. General Visual Inspection
(1) Make a general visual inspection of the external surface of the elevator top and bottom skin panels in the areas of the hinge supports 2, 3 and 4 and the actuator fittings 1 and 2 for:
Subtask 55-20-00-270-050-A (1) Make a general visual inspection of the external surface of the elevator top and bottom skin panels in the areas of the hinge supports 2, 3 and 4 and the actuator fittings 1 and 2 for:
- distortion,
- cracks,
- chemical contamination.
B. Resonance Frequency Inspection
(1) Make a special detailed inspection of the elevator top and bottom skin panels in the areas of the hinge supports 2, 3 and 4 and the actuator fittings 1 and 2 for delamination NTM 552004.
(2) Do a damage delamination report of the inspected area.
(3) If damage is found, look for allowable damage limits SRM 552100.
5. Close-up(1) Make a special detailed inspection of the elevator top and bottom skin panels in the areas of the hinge supports 2, 3 and 4 and the actuator fittings 1 and 2 for delamination NTM 552004.
(2) Do a damage delamination report of the inspected area.
(3) If damage is found, look for allowable damage limits SRM 552100.
Subtask 55-20-00-410-052-A
A. Visual Inspection
(1) Make sure that the work area is clean and clear of tools and other items.
Subtask 55-20-00-942-050-A (1) Make sure that the work area is clean and clear of tools and other items.
B. Remove Ground Equipment
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
Subtask 55-20-00-081-050-A (1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
C. Remove Locking Devices
(1) Remove the 98D27903500000 PIN-SIDE STICK LOCKING for the CAPT and F/O side stick controllers.
(2) Remove the 98D27309001000 NEUTRAL SETTING TOOL - ELEVATOR from the elevator:
(a) Release the wing nut (6).
(b) Remove the T-handle screw (1) and the washer (2).
(c) Remove the set of bars (3) and plates (7) and (8).
(d) Install the T-handle screw (1) and the washer (2) in the stowage on the center plate (7).
(e) Tighten the wing nut (6).
(f) Install the cover on the hoisting point at RIB11.
Subtask 55-20-00-865-051-A (1) Remove the 98D27903500000 PIN-SIDE STICK LOCKING for the CAPT and F/O side stick controllers.
(2) Remove the 98D27309001000 NEUTRAL SETTING TOOL - ELEVATOR from the elevator:
(a) Release the wing nut (6).
(b) Remove the T-handle screw (1) and the washer (2).
(c) Remove the set of bars (3) and plates (7) and (8).
(d) Install the T-handle screw (1) and the washer (2) in the stowage on the center plate (7).
(e) Tighten the wing nut (6).
(f) Install the cover on the hoisting point at RIB11.
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |