Operational Check of Rubber Flap Drain Valve at Bulk Cargo Compartment Door from Outside

TASK 53-59-00-210-002-A
Operational Check of Rubber Flap Drain Valve at Bulk Cargo Compartment Door from Outside

ZONE: 827

1. Reason for the Job
Refer to the MPD TASK: 535900-02
OPERATIONAL CHECK OF RUBBER FLAP DRAIN VALVE AT BULK CARGO COMPARTMENT DOOR FROM OUTSIDE
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	PROBE DIA LESS THAN 5 MM(0.197IN)NON METALLIC FLEXIBLE

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
827	BULK CARGO COMPARTMENT DOOR

D. Referenced Information

REFERENCE	DESIGNATION
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
Rubber Flap Drain Valve - Bulk Cargo Compartment Door

3. Job Set-up
Subtask 53-59-00-010-051-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position.
(2) Open the BULK cargo-compartment door (Ref. AMM TASK 52-30-00-860-006).

4. Procedure
Subtask 53-59-00-280-050-A ** ON A/C NOT FOR ALL

A. Specified Check Procedure
(1) Clean the area around the drain hole with the Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Make sure that the drain hole is not blocked.
(3) If the drain hole is blocked, you must remove the blockage.
(4) Carefully push a PROBE DIA LESS THAN 5 MM(0.197IN)NON METALLIC FLEXIBLE through the drain hole and make sure that the rubber flap moves freely.

5. Close-up
Subtask 53-59-00-410-051-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) Close the BULK cargo-compartment door (Ref. AMM TASK 52-30-00-860-008).
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 06:29:30 UTC