Removal of the Bulk-Loading Floor Panels from the Aft Cargo Compartment

TASK 25-55-42-960-002-A
Removal of the Bulk-Loading Floor Panels from the Aft Cargo Compartment

ZONE: 150
ZONE: 160
FIN: 2640MM ** ON A/C NOT FOR ALL
FIN: 2641MM ** ON A/C NOT FOR ALL
FIN: 2642MM ** ON A/C NOT FOR ALL
FIN: 2643MM ** ON A/C NOT FOR ALL
FIN: 2644MM ** ON A/C NOT FOR ALL
FIN: 2645MM ** ON A/C NOT FOR ALL
FIN: 2646MM ** ON A/C NOT FOR ALL
FIN: 2647MM ** ON A/C NOT FOR ALL

1. Reason for the Job
To make the Aft Cargo Compartment available for Cargo Loading System (CLS) operations.
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	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
150	AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT
160	BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-52-00-710-005-A	Operational Test of the Power Drive Units
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Bulk -Loading Floor Panels Aft Cargo Compartment ** ON A/C NOT FOR ALL
Bulk -Loading Floor Panels Aft Cargo Compartment ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-55-42-860-052-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the opening for the aft cargo-compartment door.
(3) Put the WARNING NOTICE(S) on the control panel of the cargo loading system to tell persons not to use it.
(4) Remove the cargo nets and the stanchions from the aft cargo compartment, if they are installed.
(5) Do not remove the Type A1 divider net, if it is installed across the cargo compartment at FR59.

Subtask 25-55-42-875-052-B ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	SEMI AUTO CLS-AFT	103MY	D08

Subtask 25-55-42-875-055-A ** ON A/C NOT FOR ALL

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	SEMI AUTO CLS-AFT	102MY	D06

4. Procedure
Subtask 25-55-42-020-050-A ** ON A/C NOT FOR ALL

Bulk -Loading Floor Panels Aft Cargo Compartment ** ON A/C NOT FOR ALL

(1) Lower and unlock the door sill latches (7) and (8).
(2) Remove the bulk-loading floor panels in the sequence which follows:
(a) Disengage the locking pin (17) of the Panel A4 (2646MM) (2) from its hole in the Panel FA2 (2645MM) (3).
(b) Remove the Panel FA2 (2645MM) (3) from between FR53/54 and FR54/55.
(c) Remove the Panel A4 (2646MM) (2) from between FR54/55 and FR56/57.
(d) Remove the Panel A5 (2647MM) (1) from between FR56/57 and FR58/59.
(e) Remove the Panel A10 (2644MM) (4) from between FR51/52 and FR53/54.
(f) Remove the Panel A9 (2643MM) (5) from between FR49/50 and FR51/52.
(g) Remove the Panel A6 (2642MM) (6) from between FR47 and FR49/50.
(3) Lift and lock the door sill latches (7) and (8).
(4) Make sure that the components of the CLS are clean and in the correct condition.
(5) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-55-42-875-053-A ** ON A/C NOT FOR ALL

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	SEMI AUTO CLS-AFT	103MY	D08
2001VU	SEMI AUTO CLS-AFT	102MY	D06

Subtask 25-55-42-710-050-A ** ON A/C NOT FOR ALL

C. Do the operational test of the power drive units of the CLS (Ref. AMM TASK 25-52-00-710-005).

5. Close-up
Subtask 25-55-42-860-053-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to the serviceable condition.
(1) Install the necessary cargo nets and the stanchions in the aft cargo compartment.
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).

[Rev.10 from 2021] 2026.03.31 23:39:40 UTC