W DOC AIRBUS | AMM A320F

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


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 230
ZONE: 240
1. Reason for the Job
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
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE
No specific
AR
CLOTH-EMERY (GRADE 280)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
230
FWD PASSENGER COMPARTMENT
240
MID PASSENGER COMPARTMENT
 D. Referenced Information
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)
3. Job Set-up
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
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
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
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
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
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
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).
[Rev.10 from 2021] 2026.04.02 06:28:58 UTC