DOC AIRBUS | AMM A320FDetailed Inspection of Upper Surfaces of Pressure Deck Membranes and Side Boxes, between FR42 and FR46, including Connections to Longitudinal Beams...
TASK 53-31-00-210-005-A
Detailed Inspection of Upper Surfaces of Pressure Deck Membranes and Side Boxes, between FR42 and FR46, including Connections to Longitudinal Beams...
Refer to the MPD TASK: 533109-01
DETAILED INSPECTION OF UPPER SURFACES OF PRESSURE DECK MEMBRANES AND SIDE BOXES, BETWEEN FR 42 AND FR 46, INCLUDING CONNECTIONS TO LONGITUDINAL BEAMS AND SUPPORT RIBS, LH/RH
A. Consumable Materials
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 53-31-00-010-054-A
Subtask 53-31-00-210-054-A
Subtask 53-31-00-410-054-A
[Rev.10 from 2021]
2026.04.02 06:29:04 UTC
Detailed Inspection of Upper Surfaces of Pressure Deck Membranes and Side Boxes, between FR42 and FR46, including 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: 533109-01
DETAILED INSPECTION OF UPPER SURFACES OF PRESSURE DECK MEMBRANES AND SIDE BOXES, BETWEEN FR 42 AND FR 46, INCLUDING CONNECTIONS TO LONGITUDINAL BEAMS AND SUPPORT RIBS, LH/RH
NOTE: The effectivity of this task is ALL. To know, if this task is applicable for your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.
2. Job Set-up InformationA. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BBB1) | Non Aqueous Cleaner-- Petroleum Based - |
| (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 21-20-00-010-001-A | Removal of the Air-Conditioning Distribution Ducts |
| TASK 21-20-00-410-001-A | Installation of the Air-Conditioning Distribution Ducts |
| 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 53311400 | (for corrective action) |
| SRM 53312900 | (for corrective action) |
Upper Surface of the Pressure Deck Membranes and the Side BoxesSubtask 53-31-00-010-054-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).
(3) Remove the necessary cabin air supply ducts installed below the floor structure between FR42 and FR46 (Ref. AMM TASK 21-20-00-010-001).
Subtask 53-31-00-110-132-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).
(3) Remove the necessary cabin air supply ducts installed below the floor structure between FR42 and FR46 (Ref. AMM TASK 21-20-00-010-001).
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-- Petroleum Based - (Material No.08BBB1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that the inspection areas are dry before you continue.
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-- Petroleum Based - (Material No.08BBB1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that the inspection areas are dry before you continue.
Subtask 53-31-00-210-054-A
A. Detailed Inspection
(1) Do a detailed inspection of the pressure deck membranes (upper surfaces) and the side boxes with the connections to the longitudinal beams and support ribs from FR42 thru FR46 for cracks.
5. Close-up(1) Do a detailed inspection of the pressure deck membranes (upper surfaces) and the side boxes with the connections to the longitudinal beams and support ribs from FR42 thru FR46 for cracks.
NOTE: If necessary, refer to the ASRM SRM 53311400 and SRM 53312900 for the correct repair procedures.
Subtask 53-31-00-410-054-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the cabin air supply ducts removed to gain access to the floor structure between FR42 and FR46 (Ref. AMM TASK 21-20-00-410-001).
(3) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(4) Install floor panels 241JF 241KF 241LF 241MF 242KF 242LF and 242MF (Ref. AMM TASK 53-00-00-400-801).
(5) 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 the cabin air supply ducts removed to gain access to the floor structure between FR42 and FR46 (Ref. AMM TASK 21-20-00-410-001).
(3) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(4) Install floor panels 241JF 241KF 241LF 241MF 242KF 242LF and 242MF (Ref. AMM TASK 53-00-00-400-801).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.