GENERAL VISUAL INSPECTION OF AFT CABIN UTILITY AREAS INCLUDING FLOOR STRUCTURE (EWIS)

TASK 05-22-60-200-004-A
GENERAL VISUAL INSPECTION OF AFT CABIN UTILITY AREAS INCLUDING FLOOR STRUCTURE (EWIS)

ZONE: 261
ZONE: 262

1. Reason for the Job
Refer to the MPD TASK: ZL-261-02
GENERAL VISUAL INSPECTION OF AFT CABIN UTILITY AREAS INCLUDING FLOOR STRUCTURE (EWIS)

NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
261	AFT CABIN UTILITY AREA
262	AFT CABIN UTILITY AREA

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-22-41-000-001-A	Removal of the Wall-Mounted Cabin-Attendant Seats
TASK 25-22-41-400-001-A	Installation of the Wall-Mounted Cabin-Attendant Seats
TASK 25-22-42-000-001-A	Removal of the Free-Standing Cabin Attendant Seat (CAS)
TASK 25-22-42-400-001-A	Installation of the Free-Standing Cabin Attendant Seat (CAS)
TASK 25-22-43-000-001-A	Removal of the Cabin Attendant Swivel-Seat
TASK 25-22-43-400-001-A	Installation of the Cabin Attendant Swivel-Seat
TASK 25-23-45-000-003-A	Removal of the Door Frame Linings from the Left Aft Passenger/Crew Door
TASK 25-23-45-000-004-A	Removal of the Door Frame Linings from the Right Aft Passenger/Crew Door
TASK 25-23-45-400-005-A	Installation of the Door Frame Linings on the Right Aft Passenger/Crew Door
TASK 25-23-45-400-008-A	Installation of the Door Frame Linings on the Left Aft Passenger/Crew Door
TASK 25-26-41-000-013-A	Removal of the Curtains
TASK 25-26-41-400-013-A	Installation of the Curtains
TASK 25-27-15-000-001-A	Removal of an Emergency Equipment Stowage
TASK 25-27-15-400-001-A	Installation of an Emergency Equipment Stowage
TASK 25-27-44-000-007-A	Removal of the Stowage AFT RH
TASK 25-27-44-400-007-A	Installation of the Stowage AFT RH
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-410-001-A	Closing of the Passenger/Crew Door
TASK 53-42-12-000-002-A	Removal of the Cabin Floor Panels from FR64 thru FR70
TASK 53-42-12-400-002-A	Installation of the Cabin Floor Panels from FR64 thru FR70
TASK 25-33-00-00	AFT GALLEY - DESCRIPTION AND OPERATION
TASK 25-43-00-00	AFT LAVATORIES - DESCRIPTION AND OPERATION

3. Job Set-up
Subtask 05-22-60-010-053-A

A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the zone 832 (842).
(2) Open the aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the wall-mounted cabin-attendant seat, if installed
(Ref. AMM TASK 25-22-41-000-001).
(4) Remove the cabin-attendant free-standing seat, if installed
(Ref. AMM TASK 25-22-42-000-001).
(5) Remove the cabin-attendant swivel seat, if installed
(Ref. AMM TASK 25-22-43-000-001).
(6) Remove the aft curtains, if installed
(Ref. AMM TASK 25-26-41-000-013).
(7) Remove the left and right emergency equipment stowages, if installed
(Ref. AMM TASK 25-27-15-000-001).
(8) Remove the stowage, if installed
(Ref. AMM TASK 25-27-44-000-006).
(9) Remove the doghouse, if installed
(Ref. AMM D/O 25-27-46-00).
(10) Remove the galleys and lavatories between FR64 and FR70, if installed.
To do this, refer to the para. Component Location in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-33-00-00), for the lavatories (Ref. AMM D/O 25-43-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(11) Remove the floor panels from FR64 to FR70
(Ref. AMM TASK 53-42-12-000-002).
(12) Remove the door frame linings between FR64 and FR70
(Ref. AMM TASK 25-23-45-000-003),
(Ref. AMM TASK 25-23-45-000-004).
(13) Lift the insulation blankets sufficiently to do the inspection.

4. Procedure
Subtask 05-22-60-210-053-A

A. Do a general visual inspection of the aft-cabin utility areas including floor structure.
Make sure that:

there is no damage (corrosion, leaks or cracks) on all the parts of the components and the structure you can see.
all the installations (wiring, piping or ducting) are attached correctly.

5. Close-up
Subtask 05-22-60-410-053-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the insulation blankets back in position.
(3) Install the door frame linings between FR64 and FR70
(Ref. AMM TASK 25-23-45-400-008),
(Ref. AMM TASK 25-23-45-400-005).
(4) Install the floor panels from FR64 to FR70
(Ref. AMM TASK 53-42-12-400-002).
(5) Install the galleys and lavatories between FR64 and FR70, if removed.
To do this, refer to the para. Component Location in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-33-00-00), for the lavatories (Ref. AMM D/O 25-43-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(6) Install the doghouse, if removed
(Ref. AMM D/O 25-27-46-40).
(7) Install the stowage, if removed
(Ref. AMM TASK 25-27-44-400-006).
(8) Install the left and right emergency equipment stowages, if removed
(Ref. AMM TASK 25-27-15-400-001).
(9) Install the aft curtains, if removed
(Ref. AMM TASK 25-26-41-400-013).
(10) Install the cabin-attendant swivel seat, if removed
(Ref. AMM TASK 25-22-43-400-001).
(11) Install the cabin-attendant free-standing seat, if removed
(Ref. AMM TASK 25-22-42-400-001).
(12) Install the wall-mounted cabin-attendant seat, if removed
(Ref. AMM TASK 25-22-41-400-001).
(13) Close the aft passenger/crew door 832 (842)
(Ref. AMM TASK 52-10-00-410-001).
(14) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:49:23 UTC