General Visual Inspection of Fuselage External Surface, and Belly Fairing Support Structure under the Belly Fairing
TASK 53-41-00-210-802-A
General Visual Inspection of Fuselage External Surface, and Belly Fairing Support Structure under the Belly Fairing
Refer to the MPD TASK: 534148-01
GENERAL VISUAL INSPECTION OF FUSELAGE EXTERNAL SURFACE, AND BELLY FAIRING SUPPORT STRUCTURE BETWEEN FR 30 AND FR 53, UNDER THE BELLY FAIRING
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 53-41-00-010-136-A
Subtask 53-41-00-210-104-A
Subtask 53-41-00-410-134-A
[Rev.10 from 2021]
2026.04.02 06:29:16 UTC
General Visual Inspection of Fuselage External Surface, and Belly Fairing Support Structure under the Belly Fairing
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 190
1. Reason for the JobRefer to the MPD TASK: 534148-01
GENERAL VISUAL INSPECTION OF FUSELAGE EXTERNAL SURFACE, AND BELLY FAIRING SUPPORT STRUCTURE BETWEEN FR 30 AND FR 53, UNDER THE BELLY FAIRING
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 | 1 | WARNING NOTICE(S) |
| 98D27803000000 | 1 | LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.12ABB1) | Corrosion Preventive Compound-Water Displacing Hard Film - |
| (Material No.12ABC1) | Corrosion Preventive Compound_Water Displacing Soft Film - |
| (Material No.12ACB1) | Corrosion Preventive Compound-Heavy Duty Hard Film - |
| (Material No.12ADB1) | Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 190 | BELLY FAIR, AIR CONDITIONING & HYD COMPT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 51-78-00-916-001-A | Application of Temporary Protection System (TPS) |
| TASK 53-35-11-000-001-A | Removal of the Wing-to-Fuselage Fairings |
| TASK 53-35-11-400-001-A | Installation of the Wing-to-Fuselage Fairings |
| TASK 53-35-13-000-001-A | Removal of the Belly Fairing Access Panels |
| TASK 53-35-13-000-002-A | Removal of the Quick-Release Access Panels from the Belly Fairing Structure |
| TASK 53-35-13-400-001-A | Installation of the Belly Fairing Access Panels |
| TASK 53-35-13-400-002-A | Installation of the Quick-Release Access Panels on the Belly Fairing Structure |
| SRM 511100 | |
| SRM 512200 | |
| SRM 512300 | |
Subtask 53-41-00-010-136-A
A. Get Access
(2) Put a WARNING NOTICE(S) on the slat/flap control lever to tell persons not to operate the slats/flaps.
(3) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the belly fairing.
(4) Remove these fairings/access panels:
Subtask 53-41-00-110-087-A WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
(1) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever when you work near the flaps/slats. - THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
(2) Put a WARNING NOTICE(S) on the slat/flap control lever to tell persons not to operate the slats/flaps.
(3) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the belly fairing.
(4) Remove these fairings/access panels:
- the wing-to-fuselage fairings (Ref. AMM TASK 53-35-11-000-001)
- the quick-release access panels (Ref. AMM TASK 53-35-13-000-002)
- and the belly fairing access panels (Ref. AMM TASK 53-35-13-000-001).
B. Preparation of the Inspection Area
(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If there is a TPS layer and if it does not let you do a satisfactory inspection, removed the TPS layer (Ref. AMM TASK 51-78-00-916-001).
4. Procedure(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If there is a TPS layer and if it does not let you do a satisfactory inspection, removed the TPS layer (Ref. AMM TASK 51-78-00-916-001).
Subtask 53-41-00-210-104-A
A. Inspection
(1) Do a general visual inspection of the fuselage external surface and the belly-fairing support structure, below the belly fairing, for damage or discontinuities:
(a) For A320, do this between FR30 and FR53.
(b) For A321, do this between FR35.3 and FR48.
(c) For A319, do this between FR27 and FR57.
(a) Corrosion:
Subtask 53-41-00-916-079-A ** ON A/C NOT FOR ALL (1) Do a general visual inspection of the fuselage external surface and the belly-fairing support structure, below the belly fairing, for damage or discontinuities:
(a) For A320, do this between FR30 and FR53.
(b) For A321, do this between FR35.3 and FR48.
(c) For A319, do this between FR27 and FR57.
NOTE: This includes the part of the aft cargo door below the belly fairing.
(d) For A318, do this between FR27 and FR59. NOTE: This includes the part of the aft cargo door below the belly fairing.
(2) Make sure that there is no:(a) Corrosion:
- If you find corrosion, refer to the Structural Repair Manual ( SRM 512200) for the corrosion types, inspection, removal and subsequent corrosion protection.
- If you find this type of damage, refer to the Structural Repair Manual ( SRM 511100) for the damage types, classification and corrective action.
- If you find this type of damage, refer to the Structural Repair Manual ( SRM 512300) for general data for paint layers.
B. Check and Application of the TPS Layer
(1) If the TPS was removed at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) (Ref. AMM TASK 51-78-00-916-001).
(2) If the TPS was not removed at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) (Ref. AMM TASK 51-78-00-916-001).
Subtask 53-41-00-916-079-B ** ON A/C NOT FOR ALL (1) If the TPS was removed at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) (Ref. AMM TASK 51-78-00-916-001).
(2) If the TPS was not removed at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) (Ref. AMM TASK 51-78-00-916-001).
B. Check and Application of the TPS Layer
(2) If the TPS was not removed at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) (Ref. AMM TASK 51-78-00-916-001).
Subtask 53-41-00-916-079-F ** ON A/C NOT FOR ALL CAUTION:
DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) TYPE 3 ON THE MOVABLE COMPONENTS. USE ONLY TPS TYPE 1 GRADE 2. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MECHANISMS WILL NOT OPERATE CORRECTLY.
(1) If the TPS was removed at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) (Ref. AMM TASK 51-78-00-916-001).(2) If the TPS was not removed at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) (Ref. AMM TASK 51-78-00-916-001).
B. Check and Application of the TPS Layer
(1) For the inspection area included in concession TH-005569050:
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
Subtask 53-41-00-916-079-DI ** ON A/C NOT FOR ALL (1) For the inspection area included in concession TH-005569050:
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
CAUTION:
DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) TYPE 3 ON THE MOVABLE COMPONENTS. USE ONLY TPS TYPE 1 GRADE 2. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MECHANISMS WILL NOT OPERATE CORRECTLY.
(2) For the inspection area not included in concession TH-005569050:(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
B. Check and Application of the TPS Layer
(1) For the inspection area included in concession TH-005577105:
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
Subtask 53-41-00-916-079-E0 ** ON A/C NOT FOR ALL (1) For the inspection area included in concession TH-005577105:
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
CAUTION:
DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) TYPE 3 ON THE MOVABLE COMPONENTS. USE ONLY TPS TYPE 1 GRADE 2. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MECHANISMS WILL NOT OPERATE CORRECTLY.
(2) For the inspection area not included in concession TH-005577105:(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
B. Check and Application of the TPS Layer
(1) For the inspection area included in concession TH-005569073:
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
5. Close-up(1) For the inspection area included in concession TH-005569073:
(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) and Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) (Ref. AMM TASK 51-78-00-916-001).
CAUTION:
DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) TYPE 3 ON THE MOVABLE COMPONENTS. USE ONLY TPS TYPE 1 GRADE 2. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MECHANISMS WILL NOT OPERATE CORRECTLY.
(2) For the inspection area not included in concession TH-005569073:(a) If you removed the TPS at the "Preparation of the Inspection Area", apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
(b) If you did not remove the TPS at the "Preparation of the Inspection Area", do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001) and make the decision to apply a new TPS layer or not.
(c) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound-Water Displacing & Heavy Duty Hard Film - (Material No.12ADB1) on the remaining surface (Ref. AMM TASK 51-78-00-916-001).
Subtask 53-41-00-410-134-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these fairings/panels:
(4) Remove the WARNING NOTICE(S).
(5) Remove the access platform(s).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these fairings/panels:
- the wing-to-fuselage fairings (Ref. AMM TASK 53-35-11-400-001)
- the quick release access panels (Ref. AMM TASK 53-35-13-400-002)
- and the belly fairing access panels (Ref. AMM TASK 53-35-13-400-001).
(4) Remove the WARNING NOTICE(S).
(5) Remove the access platform(s).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Fuselage External Surface inside the Belly Fairing and Belly Fairing Support Structure