Detailed Inspection of Fuselage Internal Structure around Bulk Cargo Compartment Door, from FR 59 to FR 63 and between Stringer 23 and Stringer 38

TASK 53-41-00-210-028-A
Detailed Inspection of Fuselage Internal Structure around Bulk Cargo Compartment Door, from FR 59 to FR 63 and between Stringer 23 and Stringer 38

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: DO NOT APPLY TEMPORARY PROTECTION ON THE OXYGEN SYSTEMS. MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET:

ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS.
ON LUBRICATED SURFACES.
IN DRAIN VALVES OR OTHER ORIFICES.

TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE.

ZONE: 160
ZONE: 162

1. Reason for the Job
Refer to the MPD TASK: 534164-01
DETAILED INSPECTION OF FUSELAGE INTERNAL STRUCTURE AROUND BULK CARGO COMPARTMENT DOOR, FROM FR 59 TO FR 63 AND BETWEEN STRINGER 23 AND STRINGER 38.

NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability.

2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ABB1)	Corrosion Preventive Compound-Water Displacing Hard Film -
(Material No.12ABC1)	Corrosion Preventive Compound_Water Displacing Soft Film -
(Material No.14SBA1)	Textile-Lint free Cotton -

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
160	BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT
162	BULK CARGO COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-55-12-000-003-A	Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 25-55-12-400-003-A	Installation of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
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 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 53-42-17-000-001-A	Removal of the Bulk Cargo-Compartment Floor-Panels
TASK 53-42-17-400-001-A	Installation of the Bulk Cargo-Compartment Floor-Panels
TASK 53-42-17-400-001-A-01	Installation of the Bulk Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option)
SRM 511100
SRM 512200
TASK 06-41-53-00	FUSELAGE-DESCRIPTION AND OPERATION
Internal Fuselage Skin around the Bulk Cargo-Compartment Door-Cutout

3. Job Set-up
Subtask 53-41-00-010-079-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Remove the sidewall panels between FR59 and FR63 (Ref. AMM D/O 06-41-53-00) (Ref. AMM TASK 25-55-12-000-003).
(2) Remove the floor panels between FR59 and FR63 (Ref. AMM D/O 06-41-53-00) (Ref. AMM TASK 53-42-17-000-001).
(3) Remove the insulation blankets from the inspection area (Ref. AMM TASK 25-80-00-000-001).
(4) Identify the insulation blankets to make the subsequent installation procedure easier.

Subtask 53-41-00-110-154-A ** ON A/C NOT FOR ALL

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 it is not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) If there is a TPS layer and if it does not let you do a satisfactory inspection, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 53-41-00-210-085-A ** ON A/C NOT FOR ALL

A. Inspection
(1) Do a detailed inspection of the fuselage internal structure around the bulk cargo-compartment door, from FR59 to FR63 and between STGR23 and STGR38 for damage and discontinuities.
(2) 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 53-41-00-916-059-A ** ON A/C NOT FOR ALL

B. Check and Application of the TPS Layer
(1) If the TPS layer was removed at the "Preparation of the Inspection Area" paragraph, apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) (Ref. AMM TASK 51-78-00-916-001).
(2) If the TPS layer was not removed at the "Preparation of the Inspection Area" paragraph, do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(3) If the TPS layer has local damage, remove the damaged TPS layer and apply a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) (Ref. AMM TASK 51-78-00-916-001).

5. Close-up
Subtask 53-41-00-410-078-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(3) Install the floor panels between FR59 and FR63 (Ref. AMM TASK 53-42-17-400-001).
(4) Install the sidewall panels between FR59 and FR63 (Ref. AMM TASK 25-55-12-400-003).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:29:15 UTC