DOC AIRBUS | AMM A320FSpecial Detailed Inspection (HFEC) of Upper Surface of Pressure Deck Membranes and Side Boxes, between FR42 and FR46, at Connections to Longitudinal Beams...
TASK 53-31-00-220-803-A
Special Detailed Inspection (HFEC) of Upper Surface of Pressure Deck Membranes and Side Boxes, between FR42 and FR46, at Connections to Longitudinal Beams...
Refer to the MPD TASK: 533180-01
SPECIAL DETAILED INSPECTION (HFEC) OF UPPER SURFACE OF PRESSURE DECK MEMBRANES AND SIDE BOXES, BETWEEN FR 42 AND FR 46, AT CONNECTIONS TO LONGITUDINAL BEAMS AND SUPPORT RIBS (INCLUDING LATERAL OUTER PART OF CONNECTION PLATES AT FR 43) AT Y=+/- 254 MM, Y=+/- 765 MM, Y=+/- 1292 MM AND Y=+/- 1650 MM
A. Consumable Materials
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 53-31-00-010-118-A
Subtask 53-31-00-220-067-A
Subtask 53-31-00-410-115-A
[Rev.10 from 2021]
2026.04.02 06:29:07 UTC
Special Detailed Inspection (HFEC) of Upper Surface of Pressure Deck Membranes and Side Boxes, between FR42 and FR46, at Connections to Longitudinal Beams...
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobRefer to the MPD TASK: 533180-01
SPECIAL DETAILED INSPECTION (HFEC) OF UPPER SURFACE OF PRESSURE DECK MEMBRANES AND SIDE BOXES, BETWEEN FR 42 AND FR 46, AT CONNECTIONS TO LONGITUDINAL BEAMS AND SUPPORT RIBS (INCLUDING LATERAL OUTER PART OF CONNECTION PLATES AT FR 43) AT Y=+/- 254 MM, Y=+/- 765 MM, Y=+/- 1292 MM AND Y=+/- 1650 MM
NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability.
The information on weight variant groups is given in the MPD and SRM introductions.
2. Job Set-up InformationThe information on weight variant groups is given in the MPD and SRM introductions.
A. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 145 | PRESS ZONE BETW WING CTR BOX MAIN GEAR |
| 146 | PRESS ZONE BETW WING CTR BOX MAIN GEAR |
| 241JF, 241KF, 241LF, 241MF, 242KF, 242LF, 242MF |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-80-00-000-001-A | Removal of the Insulation Blankets |
| TASK 25-80-00-400-001-A | Installation of the Insulation Blankets |
| TASK 53-00-00-000-801-A | Removal of the Floor Panels in the Cabin from FR12 to FR70 |
| TASK 53-00-00-000-801-A-01 | Removal of the Floor Panels in the Cabin from FR12 to FR70 (Alternative Removal Procedure - Dry Sealing Concept) |
| TASK 53-00-00-000-801-A-02 | Removal of the Cabin Floor Panels from FR12 to FR70 (Alternative Removal Procedure with the Skyflex Option) |
| TASK 53-00-00-400-801-A | Installation of the Floor Panels in the Cabin from FR12 to FR70 |
| TASK 53-00-00-400-801-A-01 | Installation of the Floor Panels in the Cabin from FR12 to FR70 (Alternative Installation Procedure - Dry Sealing Concept) |
| TASK 53-00-00-400-801-A-02 | Installation of the Cabin Floor Panels from FR12 to FR70 (Alternative Installation Procedure with the Skyflex Option) |
| SRM 511100 | |
| SRM 512200 | |
| SRM 512300 | |
| SRM 512400 | |
| NTM 533180 | |
Inspection Area of the Upper Surfaces of the Pressure Deck Membranes and the Side Boxes, between FR 42 and FR 46Subtask 53-31-00-010-118-A
A. Get Access
(1) Remove floor panels 241JF 241KF 241LF 241MF 242KF 242LF and 242MF (Ref. AMM TASK 53-00-00-000-801).
(2) Remove the insulation blankets (Ref. AMM TASK 25-80-00-000-001).
Subtask 53-31-00-860-079-A (1) Remove floor panels 241JF 241KF 241LF 241MF 242KF 242LF and 242MF (Ref. AMM TASK 53-00-00-000-801).
(2) Remove the insulation blankets (Ref. AMM TASK 25-80-00-000-001).
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 a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Remove the sealant and/or paint from the inspection area if this is necessary for the Non-destructive Testing Manual (NTM) task.
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 a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Remove the sealant and/or paint from the inspection area if this is necessary for the Non-destructive Testing Manual (NTM) task.
Subtask 53-31-00-220-067-A
A. Inspection
(1) Do a special detailed inspection of the upper surface of the pressure deck membranes and side boxes, between FR 42 and FR 46 at connections to longitudinal beams and support ribs at:
(a) Corrosion damage:
If you find corrosion, refer to the Structural Repair Manual ( SRM 512200) for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual ( SRM 511100) for the damage types, classification and corrective action.
Subtask 53-31-00-370-060-A (1) Do a special detailed inspection of the upper surface of the pressure deck membranes and side boxes, between FR 42 and FR 46 at connections to longitudinal beams and support ribs at:
- Y=+/- 254 mm
- Y=+/- 765 mm
- Y=+/- 1292 mm
- Y=+/- 1650 mm for damage or discontinuities. Refer to NTM 533180.
NOTE: This inspection includes the lateral outer part of the connection plates at FR 43.
(2) Make a report of the damage after the NTM inspection: (a) Corrosion damage:
If you find corrosion, refer to the Structural Repair Manual ( SRM 512200) for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual ( SRM 511100) for the damage types, classification and corrective action.
B. Sealant or paint application
(1) If the NTM procedure asked to remove the sealant and/or paint from the inspection area, apply sealant ( SRM 512400) or paint ( SRM 512300) on the inspection area.
5. Close-up(1) If the NTM procedure asked to remove the sealant and/or paint from the inspection area, apply sealant ( SRM 512400) or paint ( SRM 512300) on the inspection area.
Subtask 53-31-00-410-115-A
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(3) Install floor panels 241JF 241KF 241LF 241MF 242KF 242LF and 242MF (Ref. AMM TASK 53-00-00-400-801).
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(3) Install floor panels 241JF 241KF 241LF 241MF 242KF 242LF and 242MF (Ref. AMM TASK 53-00-00-400-801).