DOC AIRBUS | AMM A320FGeneral Visual Inspection of Lower Skin of Longitudinal Lap Joints in Crack Stopper Areas at STGR18 LH/RH, between FR35 and FR47/54, External Surface
TASK 53-31-00-210-037-A
General Visual Inspection of Lower Skin of Longitudinal Lap Joints in Crack Stopper Areas at STGR18 LH/RH, between FR35 and FR47/54, External Surface
Self Explanatory
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 53-31-00-941-065-A
Subtask 53-31-00-210-086-A ** ON A/C NOT FOR ALL
Subtask 53-31-00-942-078-A
[Rev.10 from 2021]
2026.04.02 06:29:06 UTC
General Visual Inspection of Lower Skin of Longitudinal Lap Joints in Crack Stopper Areas at STGR18 LH/RH, between FR35 and FR47/54, External Surface
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:
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.
ZONE: 200
1. Reason for the JobSelf Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 51-73-11-300-001-A | Repair of Minor Damage on Aluminum Clad Components |
| TASK 51-73-11-300-003-A | Repair of Dents in Skin Panels |
| TASK 51-73-11-300-004-A | Repair of Minor Damage on Unclad Components |
| TASK 51-74-11-300-001-A | Repair of Corroded Areas |
| TASK 51-74-11-300-002-A | Removal of the Corrosion on Unpainted Light Alloy |
| TASK 51-75-12-300-001-A | Repair of Major Paint Damage on Light Alloy and Composite Material |
| TASK 51-75-12-300-003-A | Repair of Minor Paint Damage (Topcoat Only) |
| SRM 511100 | |
| SRM 512200 | |
| SRM 512311 | |
| SRM 533111 | |
| SRM 53311102 | (for corrective action) |
Inspection Areas of the Center Fuselage Lap-Joint at STGR18, LH/RHSubtask 53-31-00-941-065-A
A. Install the Ground Support Equipment
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at the inspection area.
Subtask 53-31-00-110-091-A (1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at the inspection area.
B. Preparation of the Inspection Areas
(1) Make sure that the surfaces of the inspection areas are clean.
(2) If necessary, clean the inspection areas with a lint-free cotton cloth, Textile-Lint free Cotton - (Material No.14SBA1) and the Non Aqueous Cleaner-General - - (Material No.08BAA9) .
4. Procedure(1) Make sure that the surfaces of the inspection areas are clean.
(2) If necessary, clean the inspection areas with a lint-free cotton cloth, Textile-Lint free Cotton - (Material No.14SBA1) and the Non Aqueous Cleaner-General - - (Material No.08BAA9) .
Subtask 53-31-00-210-086-A ** ON A/C NOT FOR ALL
A. Inspection Procedure
(1) Do a general visual inspection of the external surfaces of the lower skins of the longitudinal lap joints in the crack stopper areas. Do this at STGR18 LH/RH, between FR35 and FR47:
(a) Look for scratches, dents, cracks, corrosion and damage to the surface protection.
(2) If you find scratches, dents and/or cracks:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) Refer to the ASRM SRM 533111 for the permitted damage limits for this structure.
(c) Repair the scratches which are in the limits (Ref. AMM TASK 51-73-11-300-001) or (Ref. AMM TASK 51-73-11-300-004), as necessary.
(d) Repair the dents which are in the limits (Ref. AMM TASK 51-73-11-300-003).
(e) For damage that is more than the limits for minor damage, refer to the ASRM SRM 53311102 for the correct repair data.
(3) If you find corrosion:
(a) Refer to the ASRM SRM 512200 for the general corrosion data.
(b) Repair the corroded areas (Ref. AMM TASK 51-74-11-300-001) or (Ref. AMM TASK 51-74-11-300-002), as necessary.
(4) If you find damage to the surface protection:
(a) Refer to the ASRM SRM 512311 for the general data about the paint layers of the aircraft.
(b) Repair the damage to the paint layer(s) (Ref. AMM TASK 51-75-12-300-001) or (Ref. AMM TASK 51-75-12-300-003), as necessary.
Subtask 53-31-00-210-086-B ** ON A/C NOT FOR ALL (1) Do a general visual inspection of the external surfaces of the lower skins of the longitudinal lap joints in the crack stopper areas. Do this at STGR18 LH/RH, between FR35 and FR47:
(a) Look for scratches, dents, cracks, corrosion and damage to the surface protection.
(2) If you find scratches, dents and/or cracks:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) Refer to the ASRM SRM 533111 for the permitted damage limits for this structure.
(c) Repair the scratches which are in the limits (Ref. AMM TASK 51-73-11-300-001) or (Ref. AMM TASK 51-73-11-300-004), as necessary.
(d) Repair the dents which are in the limits (Ref. AMM TASK 51-73-11-300-003).
(e) For damage that is more than the limits for minor damage, refer to the ASRM SRM 53311102 for the correct repair data.
(3) If you find corrosion:
(a) Refer to the ASRM SRM 512200 for the general corrosion data.
(b) Repair the corroded areas (Ref. AMM TASK 51-74-11-300-001) or (Ref. AMM TASK 51-74-11-300-002), as necessary.
(4) If you find damage to the surface protection:
(a) Refer to the ASRM SRM 512311 for the general data about the paint layers of the aircraft.
(b) Repair the damage to the paint layer(s) (Ref. AMM TASK 51-75-12-300-001) or (Ref. AMM TASK 51-75-12-300-003), as necessary.
A. Inspection Procedure
(1) Do a general visual inspection of the external surfaces of the lower skins of the longitudinal lap joints in the crack stopper areas. Do this at STGR18 LH/RH, between FR35.8 and FR47:
(a) Look for scratches, dents, cracks, corrosion and damage to the surface protection.
(2) If you find scratches, dents and/or cracks:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) Refer to the ASRM SRM 533111 for the permitted damage limits for this structure.
(c) Repair the scratches which are in the limits (Ref. AMM TASK 51-73-11-300-001) or (Ref. AMM TASK 51-73-11-300-004), as necessary.
(d) Repair the dents which are in the limits (Ref. AMM TASK 51-73-11-300-003).
(e) For damage that is more than the limits for minor damage, refer to the ASRM SRM 53311102 for the correct repair data.
(3) If you find corrosion:
(a) Refer to the ASRM SRM 512200 for the general corrosion data.
(b) Repair the corroded areas (Ref. AMM TASK 51-74-11-300-001) or (Ref. AMM TASK 51-74-11-300-002), as necessary.
(4) If you find damage to the surface protection:
(a) Refer to the ASRM SRM 512311 for the general data about the paint layers of the aircraft.
(b) Repair the damage to the paint layer(s) (Ref. AMM TASK 51-75-12-300-001) or (Ref. AMM TASK 51-75-12-300-003), as necessary.
Subtask 53-31-00-210-086-C ** ON A/C NOT FOR ALL (1) Do a general visual inspection of the external surfaces of the lower skins of the longitudinal lap joints in the crack stopper areas. Do this at STGR18 LH/RH, between FR35.8 and FR47:
(a) Look for scratches, dents, cracks, corrosion and damage to the surface protection.
(2) If you find scratches, dents and/or cracks:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) Refer to the ASRM SRM 533111 for the permitted damage limits for this structure.
(c) Repair the scratches which are in the limits (Ref. AMM TASK 51-73-11-300-001) or (Ref. AMM TASK 51-73-11-300-004), as necessary.
(d) Repair the dents which are in the limits (Ref. AMM TASK 51-73-11-300-003).
(e) For damage that is more than the limits for minor damage, refer to the ASRM SRM 53311102 for the correct repair data.
(3) If you find corrosion:
(a) Refer to the ASRM SRM 512200 for the general corrosion data.
(b) Repair the corroded areas (Ref. AMM TASK 51-74-11-300-001) or (Ref. AMM TASK 51-74-11-300-002), as necessary.
(4) If you find damage to the surface protection:
(a) Refer to the ASRM SRM 512311 for the general data about the paint layers of the aircraft.
(b) Repair the damage to the paint layer(s) (Ref. AMM TASK 51-75-12-300-001) or (Ref. AMM TASK 51-75-12-300-003), as necessary.
A. Inspection Procedure
(1) Do a general visual inspection of the external surfaces of the lower skins of the longitudinal lap joints in the crack stopper areas. Do this at STGR18 LH/RH, between FR35 and FR47/51:
(a) Look for scratches, dents, cracks, corrosion and damage to the surface protection.
(2) If you find scratches, dents and/or cracks:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) Refer to the ASRM SRM 533111 for the permitted damage limits for this structure.
(c) Repair the scratches which are in the limits (Ref. AMM TASK 51-73-11-300-001) or (Ref. AMM TASK 51-73-11-300-004), as necessary.
(d) Repair the dents which are in the limits (Ref. AMM TASK 51-73-11-300-003).
(e) For damage that is more than the limits for minor damage, refer to the ASRM SRM 53311102 for the correct repair data.
(3) If you find corrosion:
(a) Refer to the ASRM SRM 512200 for the general corrosion data.
(b) Repair the corroded areas (Ref. AMM TASK 51-74-11-300-001) or (Ref. AMM TASK 51-74-11-300-002), as necessary.
(4) If you find damage to the surface protection:
(a) Refer to the ASRM SRM 512311 for the general data about the paint layers of the aircraft.
(b) Repair the damage to the paint layer(s) (Ref. AMM TASK 51-75-12-300-001) or (Ref. AMM TASK 51-75-12-300-003), as necessary.
5. Close-up(1) Do a general visual inspection of the external surfaces of the lower skins of the longitudinal lap joints in the crack stopper areas. Do this at STGR18 LH/RH, between FR35 and FR47/51:
(a) Look for scratches, dents, cracks, corrosion and damage to the surface protection.
(2) If you find scratches, dents and/or cracks:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) Refer to the ASRM SRM 533111 for the permitted damage limits for this structure.
(c) Repair the scratches which are in the limits (Ref. AMM TASK 51-73-11-300-001) or (Ref. AMM TASK 51-73-11-300-004), as necessary.
(d) Repair the dents which are in the limits (Ref. AMM TASK 51-73-11-300-003).
(e) For damage that is more than the limits for minor damage, refer to the ASRM SRM 53311102 for the correct repair data.
(3) If you find corrosion:
(a) Refer to the ASRM SRM 512200 for the general corrosion data.
(b) Repair the corroded areas (Ref. AMM TASK 51-74-11-300-001) or (Ref. AMM TASK 51-74-11-300-002), as necessary.
(4) If you find damage to the surface protection:
(a) Refer to the ASRM SRM 512311 for the general data about the paint layers of the aircraft.
(b) Repair the damage to the paint layer(s) (Ref. AMM TASK 51-75-12-300-001) or (Ref. AMM TASK 51-75-12-300-003), as necessary.
Subtask 53-31-00-942-078-A
A. Remove the Ground Support Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).