Special Detailed Inspection (ROTO) of Circumferential Joint at FR 35.8, between Stringer 4 and Stringer 7, LH/RH, External Side
TASK 53-21-00-250-804-A
Special Detailed Inspection (ROTO) of Circumferential Joint at FR 35.8, between Stringer 4 and Stringer 7, LH/RH, External Side
Refer to the MPD TASK: 532187-02
SPECIAL DETAILED INSPECTION (ROTO) OF CIRCUMFERENTIAL JOINT AT FR 35.8, BETWEEN STRINGER 4 AND STRINGER 7, LH/RH, EXTERNAL SIDE.
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 53-21-00-010-119-A ** ON A/C NOT FOR ALL
Subtask 53-21-00-250-060-A ** ON A/C NOT FOR ALL
Subtask 53-21-00-420-060-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:28:58 UTC
Special Detailed Inspection (ROTO) of Circumferential Joint at FR 35.8, between Stringer 4 and Stringer 7, LH/RH, External Side
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: 532187-02
SPECIAL DETAILED INSPECTION (ROTO) OF CIRCUMFERENTIAL JOINT AT FR 35.8, BETWEEN STRINGER 4 AND STRINGER 7, LH/RH, EXTERNAL SIDE.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE |
| No specific | AR | CLOTH-EMERY (GRADE 280) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 230 | FWD PASSENGER COMPARTMENT |
| 240 | MID PASSENGER COMPARTMENT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-23-41-000-001-A | Removal of the Ceiling Panels |
| TASK 25-23-41-400-001-A | Installation of the Ceiling Panels |
| TASK 25-24-41-000-001-A | Removal of the Overhead Stowage Compartments (OHSC) |
| TASK 25-24-41-400-001-A | Installation of the Overhead Stowage Compartments (OHSC) |
| 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 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 514200 | |
| NTM 532187 | |
| SRM 511100 | (for corrective action) |
| SRM 512200 | (for corrective action) |
Subtask 53-21-00-010-119-A ** ON A/C NOT FOR ALL
A. Get Access
(1) Remove the necessary overhead stowage compartments at FR35.8 to get access to the inspection areas (Ref. AMM TASK 25-24-41-000-001).
(2) Remove the necessary ceiling panels at FR35.8 to get access to the inspection areas (Ref. AMM TASK 25-23-41-000-001).
(3) Remove the necessary insulation blankets at FR35.8 to get access to the inspection areas (Ref. AMM TASK 25-80-00-000-001).
(4) Put the ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE in position at zones 230 and 240.
Subtask 53-21-00-020-061-A ** ON A/C NOT FOR ALL (1) Remove the necessary overhead stowage compartments at FR35.8 to get access to the inspection areas (Ref. AMM TASK 25-24-41-000-001).
(2) Remove the necessary ceiling panels at FR35.8 to get access to the inspection areas (Ref. AMM TASK 25-23-41-000-001).
(3) Remove the necessary insulation blankets at FR35.8 to get access to the inspection areas (Ref. AMM TASK 25-80-00-000-001).
(4) Put the ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE in position at zones 230 and 240.
B. Removal of the Component
(1) Remove the bolts from the holes to be inspected. Refer to SRM 514200.
Subtask 53-21-00-110-140-A ** ON A/C NOT FOR ALL (1) Remove the bolts from the holes to be inspected. Refer to SRM 514200.
C. Preparation of the Inspection Area
(1) Make the surface of the inspection area smooth with the CLOTH-EMERY (GRADE 280), if necessary.
(2) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(3) If it is not sufficiently clean, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Do a visual check of the inspection area for damage or discontinuities.
(5) Make sure that there is no:
(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.
4. Procedure(1) Make the surface of the inspection area smooth with the CLOTH-EMERY (GRADE 280), if necessary.
(2) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(3) If it is not sufficiently clean, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Do a visual check of the inspection area for damage or discontinuities.
(5) Make sure that there is no:
(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 53-21-00-250-060-A ** ON A/C NOT FOR ALL
A. Inspection
(1) Do a special detailed inspection (ROTO) of the external side of the circumferential joint at FR35.8. This inspection is applicable between stringer 4 and stringer 7 (left and right sides). Refer to NTM 532187.
(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.
5. Close-up(1) Do a special detailed inspection (ROTO) of the external side of the circumferential joint at FR35.8. This inspection is applicable between stringer 4 and stringer 7 (left and right sides). Refer to NTM 532187.
(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.
Subtask 53-21-00-420-060-A ** ON A/C NOT FOR ALL
A. Installation of the Component
(1) Install the bolts of the inspected holes. Refer to SRM 514200.
(2) Refer to the installation drawing in the SRM identification section for the new bolts references.
Subtask 53-21-00-370-055-A ** ON A/C NOT FOR ALL (1) Install the bolts of the inspected holes. Refer to SRM 514200.
(2) Refer to the installation drawing in the SRM identification section for the new bolts references.
B. Repair of the Surface Protection
(1) Repair the paint layer(s) in the inspection areas, if necessary (Ref. AMM TASK 51-75-12-300-003) or (Ref. AMM TASK 51-75-12-300-001).
Subtask 53-21-00-410-156-A ** ON A/C NOT FOR ALL (1) Repair the paint layer(s) in the inspection areas, if necessary (Ref. AMM TASK 51-75-12-300-003) or (Ref. AMM TASK 51-75-12-300-001).
C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation blankets at FR35.8 (Ref. AMM TASK 25-80-00-400-001).
(3) Install the ceiling panels at FR35.8 (Ref. AMM TASK 25-23-41-400-001).
(4) Install the overhead stowage compartments at FR35.8 (Ref. AMM TASK 25-24-41-400-001).
(5) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation blankets at FR35.8 (Ref. AMM TASK 25-80-00-400-001).
(3) Install the ceiling panels at FR35.8 (Ref. AMM TASK 25-23-41-400-001).
(4) Install the overhead stowage compartments at FR35.8 (Ref. AMM TASK 25-24-41-400-001).
(5) Remove the access platform(s).
Inspection (ROTO) of the External Side of the Circumferential Joint at FR35.8