Detailed Inspection of MLG Bay Fuselage Side Panels, Outboard Face, between FR42 and FR47, from STGR26 to STGR36, LH/RH
TASK 53-31-00-210-004-A
Detailed Inspection of MLG Bay Fuselage Side Panels, Outboard Face, between FR42 and FR47, from STGR26 to STGR36, LH/RH
Refer to the MPD TASK: 533107-01
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 53-31-00-010-053-A
Subtask 53-31-00-210-053-A
Subtask 53-31-00-865-055-A
[Rev.8 from Aug 2017]
2026.04.02 06:29:08 UTC
Detailed Inspection of MLG Bay Fuselage Side Panels, Outboard Face, between FR42 and FR47, from STGR26 to STGR36, LH/RH
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobNOTE: 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. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BBB1) | Non Aqueous Cleaner-- Petroleum Based - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 147 | MAIN GEAR WELL AND HYDRAULIC COMPARTMENT |
| 148 | MAIN GEAR WELL AND HYDRAULIC COMPARTMENT |
| 191ET, 192ET, 193AT, 194AT |
| 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 |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 32-12-00-410-001-A | Close the Main Gear Doors after Access |
| 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 |
| SRM 53312900 | (for corrective action) |
Subtask 53-31-00-010-053-A
A. Get Access
(1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
(2) Depressurize the Green, Blue and Yellow 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).
(3) Put the WARNING NOTICE(S) in position to tell persons not to operate the flight controls.
(4) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position.
(5) Remove the access panels 191ET 193AT 192ET 194AT (Ref. AMM TASK 53-35-11-000-001).
Subtask 53-31-00-110-105-A (1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
(2) Depressurize the Green, Blue and Yellow 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).
(3) Put the WARNING NOTICE(S) in position to tell persons not to operate the flight controls.
(4) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position.
(5) Remove the access panels 191ET 193AT 192ET 194AT (Ref. AMM TASK 53-35-11-000-001).
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 outboard face of the MLG bay side-panels with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and a clean lint-free cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that the inspection areas are dry before you continue.
Subtask 53-31-00-865-054-A (1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If not, clean the outboard face of the MLG bay side-panels with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and a clean lint-free cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that the inspection areas are dry before you continue.
C. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | L/G/LGCIU/SYS1/NORM | 1GA | C09 |
| 121VU | HYDRAULIC/LGCIU/SYS2 | 2GA | Q35 |
| 121VU | HYDRAULIC/LGCIU/SYS1/GRND SPLY | 52GA | Q34 |
Subtask 53-31-00-210-053-A
A. Detailed Inspection
(1) Do a detailed inspection of the outboard face of the MLG bay side-panels between FR42 thru FR47 and from STGR26 thru STGR36. Look for cracks.
5. Close-up(1) Do a detailed inspection of the outboard face of the MLG bay side-panels between FR42 thru FR47 and from STGR26 thru STGR36. Look for cracks.
NOTE: If necessary, refer to the ASRM SRM 53312900 for the correct repair procedure.
Subtask 53-31-00-865-055-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 53-31-00-410-053-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | L/G/LGCIU/SYS1/NORM | 1GA | C09 |
| 121VU | HYDRAULIC/LGCIU/SYS2 | 2GA | Q35 |
| 121VU | HYDRAULIC/LGCIU/SYS1/GRND SPLY | 52GA | Q34 |
B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels 191ET 193AT 192ET 194AT (Ref. AMM TASK 53-35-11-400-001).
(3) Remove the access platform(s).
(4) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the WARNING NOTICE(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 the access panels 191ET 193AT 192ET 194AT (Ref. AMM TASK 53-35-11-400-001).
(3) Remove the access platform(s).
(4) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the WARNING NOTICE(S).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Outboard Face of the MLG Bay Side-Panels