General Visual Inspection of FWD Passenger Overhead Compartment (EWIS)

TASK 05-22-30-200-003-A
General Visual Inspection of FWD Passenger Overhead Compartment (EWIS)

ZONE: 233
ZONE: 234

1. Reason for the Job
Refer to the MPD TASK: ZL-233-01
GENERAL VISUAL INSPECTION OF FWD PASSENGER OVERHEAD COMPARTMENT (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
233	FWD PASSENGER COMPT OVERHEAD COMPARTMENT
234	FWD PASSENGER COMPT OVERHEAD COMPARTMENT
831, 841

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-41-400-001-A	Installation of the Ceiling Panels
TASK 25-24-41-000-001-A	Removal of the Overhead Stowage Compartments (OHSC)
TASK 25-24-41-400-001-A	Installation of the Overhead Stowage Compartments (OHSC)
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 25-31-00-00	FORWARD GALLEY - DESCRIPTION AND OPERATION
TASK 25-41-00-00	FORWARD LAVATORIES - DESCRIPTION AND OPERATION
TASK 25-42-00-00	MID LAVATORIES - DESCRIPTION AND OPERATION
Inspection Area of the Forward Passenger Overhead-Compartment (Zones 233-234) ** ON A/C NOT FOR ALL
Inspection Area of the Forward Passenger Overhead-Compartment (Zones 233-234) ** ON A/C NOT FOR ALL
Inspection Area of the Forward Passenger Overhead-Compartment (Zones 233-234) ** ON A/C NOT FOR ALL
Inspection Area of the Forward Passenger Overhead-Compartment (Zones 233-234) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 05-22-30-010-052-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 831 ( 841).
(2) Open forward passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-010-001).
(3) If installed, remove the galleys and lavatories between FR20 and FR35.
To do this, refer to the Component Location paragraph in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-31-00-00), and for the lavatories (Ref. AMM D/O 25-41-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(4) Remove the overhead stowage compartments from FR20 to FR35 (Ref. AMM TASK 25-24-41-000-001).
(5) Remove the ceiling panels from FR20 to FR35
(Ref. AMM TASK 25-23-41-000-001).
(6) Lift the insulation blankets sufficiently to do the inspection.

Subtask 05-22-30-010-052-B ** ON A/C NOT FOR ALL

A. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 831 ( 841).
(2) Open forward passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-010-001).
(3) If installed, remove the galleys and lavatories between FR20 and FR35.8.
To do this, refer to the Component Location paragraph in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-31-00-00) (Ref. AMM D/O 25-32-00-00) and for the lavatories (Ref. AMM D/O 25-41-00-00) (Ref. AMM D/O 25-42-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(4) Remove the overhead stowage compartments from FR20 to FR35.8 (Ref. AMM TASK 25-24-41-000-001).
(5) Remove the ceiling panels from FR20 to FR35.8
(Ref. AMM TASK 25-23-41-000-001).
(6) Lift the insulation blankets sufficiently to do the inspection.

4. Procedure
Subtask 05-22-30-210-052-A

A. Inspection

Inspection Area of the Forward Passenger Overhead-Compartment (Zones 233-234) ** ON A/C NOT FOR ALL

(1) Do a general visual inspection of the forward passenger overhead-compartment (zones 233 and 234).
(2) Make sure that there is no damage (corrosion, leaks or cracks) on all the parts of the components and the structure that you can see.
(3) Make sure that all the installations (wiring, piping or ducting) are attached correctly.

5. Close-up
Subtask 05-22-30-410-052-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Put the insulation blankets back in position.
(2) Install the ceiling panels from FR20 to FR35
(Ref. AMM TASK 25-23-41-400-001).
(3) Install the overhead stowage compartments from FR20 to FR35 (Ref. AMM TASK 25-24-41-400-001).
(4) If removed, install the galleys and the lavatories between FR20 and FR35.
To do this, refer to the Component Location paragraph in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-31-00-00) and for the lavatories (Ref. AMM D/O 25-41-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(5) Close forward passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-410-001).
(6) Remove the access platform(s).
(7) Make sure that the work area is clean and clear of tools and other items.

Subtask 05-22-30-410-052-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Put the insulation blankets back in position.
(2) Install the ceiling panels from FR20 to FR35.8 (Ref. AMM TASK 25-23-41-400-001).
(3) Install the overhead stowage compartments from FR20 to FR35.8 (Ref. AMM TASK 25-24-41-400-001).
(4) If removed, install the galleys and lavatories between FR20 and FR35.8.
To do this, refer to the Component Location paragraph in the applicable ATA 25 Description/Operation: for the galleys (Ref. AMM D/O 25-31-00-00) (Ref. AMM D/O 25-32-00-00) and for the lavatories (Ref. AMM D/O 25-41-00-00) (Ref. AMM D/O 25-42-00-00). In this paragraph, you will find the cross-references of the removal/installation tasks.
(5) Close forward passenger/crew door 831 ( 841) (Ref. AMM TASK 52-10-00-410-001).
(6) Remove the access platform(s).
(7) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.03.31 22:49:17 UTC