GENERAL VISUAL INSPECTION OF CENTER PASSENGER COMPARTMENT (EWIS) (INCLUDING FLOOR STRUCTURE)

TASK 05-22-40-200-001-A
GENERAL VISUAL INSPECTION OF CENTER PASSENGER COMPARTMENT (EWIS) (INCLUDING FLOOR STRUCTURE)

ZONE: 241
ZONE: 242

1. Reason for the Job
Refer to the MPD TASK: ZL-241-01
GENERAL VISUAL INSPECTION OF CENTER PASSENGER COMPARTMENT (EWIS) (INCLUDING FLOOR STRUCTURE)

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
241	CENTER PASSENGER COMPARTMENT
242	CENTER PASSENGER COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-21-41-000-001-A	Removal of the Passenger Seats
TASK 25-21-41-400-001-A	Installation of the Passenger Seats
TASK 25-23-43-000-001-A	Removal of the Upper Sidewall Panel
TASK 25-23-43-400-001-A	Installation of the Upper Sidewall Panel
TASK 25-23-44-000-001-A	Removal of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-44-400-001-A	Installation of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-48-000-001-A	Removal of the Cove Light Panel
TASK 25-23-48-400-001-A	Installation of the Cove Light Panel
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 53-22-12-400-001-A	Installation of the Cabin Floor Panels
TASK 53-32-12-000-002-A	Removal of the Cabin Floor Panels
Inspection Area of the Center Passenger Compartment (Zones 241-242) ** ON A/C NOT FOR ALL
Inspection Area of the Center Passenger Compartment (Zones 241-242) ** ON A/C NOT FOR ALL
Inspection Area of the Center Passenger Compartment (Zones 241-242) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 05-22-40-010-050-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the zone 832 (842).
(2) Open aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the seats between FR35 and FR47, if installed (Ref. AMM TASK 25-21-41-000-001).
(4) Remove the sidewall panels between FR35 and FR47
(Ref. AMM TASK 25-23-44-000-001)
(Ref. AMM TASK 25-23-43-000-001)
(Ref. AMM TASK 25-23-48-000-001).
(5) Remove the floor panels between FR35 and FR47 (Ref. AMM TASK 53-32-12-000-002).
(6) Lift the insulation blankets sufficiently to do the inspection.

Subtask 05-22-40-010-050-B ** ON A/C NOT FOR ALL

A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the zone 832 (842).
(2) Open aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the seats between FR35.8 and FR47, if installed (Ref. AMM TASK 25-21-41-000-001).
(4) Remove the sidewall panels between FR35.8 and FR47
(Ref. AMM TASK 25-23-44-000-001)
(Ref. AMM TASK 25-23-43-000-001)
(Ref. AMM TASK 25-23-48-000-001).
(5) Remove the floor panels between FR35.8 and FR47 (Ref. AMM TASK 53-32-12-000-002).
(6) Lift the insulation blankets sufficiently to do the inspection.

Subtask 05-22-40-010-050-C ** ON A/C NOT FOR ALL

A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the zone 832 (842).
(2) Open aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the seats between FR35 and FR47/51, if installed (Ref. AMM TASK 25-21-41-000-001).
(4) Remove the sidewall panels between FR35 and FR47/51
(Ref. AMM TASK 25-23-44-000-001)
(Ref. AMM TASK 25-23-43-000-001)
(Ref. AMM TASK 25-23-48-000-001).
(5) Remove the floor panels between FR35 and FR47/51 (Ref. AMM TASK 53-32-12-000-002).
(6) Lift the insulation blankets sufficiently to do the inspection.

4. Procedure
Subtask 05-22-40-210-050-A

A. Do a general visual inspection of the center passenger compartment (including floor structure) (zones 241 and 242).

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 05-22-40-410-050-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) Put the insulation blankets back in position.
(3) Install the floor panels between FR35 and FR47 (Ref. AMM TASK 53-22-12-400-001).
(4) Install the sidewall panels between FR35 and FR47
(Ref. AMM TASK 25-23-48-400-001)
(Ref. AMM TASK 25-23-43-400-001)
(Ref. AMM TASK 25-23-44-400-001).
(5) Install the seats between FR35 and FR47, if removed (Ref. AMM TASK 25-21-41-400-001).
(6) Close aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-410-001).
(7) Remove the access platform(s).

Subtask 05-22-40-410-050-B ** 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) Put the insulation blankets back in position.
(3) Install the floor panels between FR35.8 and FR47 (Ref. AMM TASK 53-22-12-400-001).
(4) Install the sidewall panels between FR35.8 and FR47
(Ref. AMM TASK 25-23-48-400-001)
(Ref. AMM TASK 25-23-43-400-001)
(Ref. AMM TASK 25-23-44-400-001).
(5) Install the seats between FR35.8 and FR47, if removed (Ref. AMM TASK 25-21-41-400-001).
(6) Close aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-410-001).
(7) Remove the access platform(s).

Subtask 05-22-40-410-050-C ** 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) Put insulation blankets back in position.
(3) Install the floor panels between FR35 and FR47/51 (Ref. AMM TASK 53-22-12-400-001).
(4) Install the sidewall panels between FR35 and FR47/51
(Ref. AMM TASK 25-23-48-400-001)
(Ref. AMM TASK 25-23-43-400-001)
(Ref. AMM TASK 25-23-44-400-001).
(5) Install the seats between FR35 and FR47/51, if removed (Ref. AMM TASK 25-21-41-400-001).
(6) Close aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-410-001).
(7) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:49:18 UTC