Inspection of the Bulk Cargo-Compartment Door

TASK 52-33-11-200-001-A
Inspection of the Bulk Cargo-Compartment Door

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

ZONE: 827

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.12ABE2)	Corrosion Preventive Compound-Water Displacing Oily Film System

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
827	BULK CARGO COMPARTMENT DOOR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-200-001-A	Detailed Inspection of Bonding Leads on Access Panels, Doors and Movable Surfaces
TASK 51-75-12-300-001-A	Repair of Major Paint Damage on Light Alloy and Composite Material
TASK 52-30-00-860-006-A	Open the Bulk Cargo-Compartment Door
TASK 52-30-00-860-008-A	Close the Bulk Cargo-Compartment Door
TASK 52-33-13-000-001-A	Removal of the Lining and Insulation of the Bulk Cargo-Compartment Door
TASK 52-33-13-400-001-A	Installation of the Lining and Insulation of the Bulk Cargo-Compartment Door
TASK 52-33-21-000-001-A	Removal of the Door Locking Mechanism
TASK 52-33-21-400-001-A	Installation of the Door Locking Mechanism
TASK 52-33-41-000-001-A	Removal of the Balance Mechanism
TASK 52-33-41-400-001-A	Installation of the Balance Mechanism

3. Job Set-up
Subtask 52-33-11-010-052-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the bulk cargo-compartment door.
(2) Open the bulk cargo-compartment door (Ref. AMM TASK 52-30-00-860-006).
(3) Remove the lining and insulation of the bulk cargo-compartment door (Ref. AMM TASK 52-33-13-000-001).

4. Procedure
Subtask 52-33-11-210-053-A ** ON A/C NOT FOR ALL

A. Inspection of the Bulk Door Structure
(1) Examine the liquid drain device on the lower beam to make sure that it is not blocked.
(2) Examine all rivets of the hatch structure.
(a) If you find an empty rivet hole, install a new rivet with the correct sealant.
(b) If you find damaged or loose rivets, replace them.
(3) Examine the sealant of all structure components for the correct condition. If necessary, remove the old sealant with wooden or plastic scraper and apply new sealant.
(4) Make sure that all screws and bolts of the Bulk door structure are correctly tightened.
(5) Make sure that the paint is in the correct condition (Ref. AMM TASK 51-75-12-300-001).
(6) Examine the bonding straps on the hinge arms and their attachments for the correct condition (Ref. AMM TASK 20-28-00-200-001).

Subtask 52-33-11-210-061-A ** ON A/C NOT FOR ALL

B. Inspection of the Locking and Balance Mechanism
(1) Examine the door handle mechanism, the locking shaft and the latch assy of the locking mechanism for corrosion, marks and deformation:

If components of the locking mechanism are damaged, replace them (Ref. AMM TASK 52-33-21-000-001) and (Ref. AMM TASK 52-33-21-400-001).

(2) Examine the pre-load unit, the torsion bar and the connection rod of the balance mechanism for corrosion, marks and deformation:

If components of the balance mechanism are damaged, replace them (Ref. AMM TASK 52-33-41-000-001) and (Ref. AMM TASK 52-33-41-400-001).

(3) Examine the spring unit and the spring strut of the locking mechanism for the correct condition.

Subtask 52-33-11-210-061-C ** ON A/C NOT FOR ALL

B. Inspection of the Locking and Balance Mechanism
(1) Examine the door handle mechanism, the locking shaft and the latch assy of the locking mechanism for corrosion, marks and deformation:

If components of the locking mechanism are damaged, replace them (Ref. AMM TASK 52-33-21-000-001) and (Ref. AMM TASK 52-33-21-400-001).

(2) Examine the wear strip on the door handle. Make sure that the height of the wear strip is more than the height of the door handle (on the opposite side of the door handle pushbutton):

If you find damage, replace the wear strip (Ref. AMM TASK 52-33-21-000-001) and (Ref. AMM TASK 52-33-21-400-001).

(3) Examine the pre-load unit, the torsion bar and the connection rod of the balance mechanism for corrosion, marks and deformation:

If components of the balance mechanism are damaged, replace them (Ref. AMM TASK 52-33-41-000-001) and (Ref. AMM TASK 52-33-41-400-001).

(4) Examine the spring unit and the spring strut of the locking mechanism for the correct condition.

Subtask 52-33-11-210-062-A ** ON A/C NOT FOR ALL

C. Inspection of the Door Seal, the Bulk Door Lining, and the Insulation
(1) Make sure that the door seal has no cuts and is not worn.
(2) Make sure that the door seal is correctly installed in the retaining channel of the bulk cargo-compartment door.
(3) Make sure that the bulk cargo-compartment door lining is in the correct condition.
(4) Examine the hook and loop tapes on the bulk cargo-compartment door structure and on the related components for the correct condition.
(5) Examine the insulation packs for possible damage and replace them if necessary.

Subtask 52-33-11-710-057-A ** ON A/C NOT FOR ALL

D. Operational Test
(1) Operate the internal and the external door handles to make sure that the locking mechanism is serviceable.
(2) Open and close the Bulk door manually to make sure that the balance mechanism is serviceable.

5. Close-up
Subtask 52-33-11-410-052-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) Make sure that the protective film on all internal surfaces and structures is in a good condition. Apply Corrosion Preventive Compound-Water Displacing Oily Film System (Material No.12ABE2) if necessary.
(3) Install the lining and insulation of the bulk cargo-compartment door (Ref. AMM TASK 52-33-13-400-001).
(4) Close the bulk cargo-compartment door (Ref. AMM TASK 52-30-00-860-008).
(5) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 07:23:30 UTC