Installation of the Lower Sidewall Panels (Dado Panels)

TASK 25-23-44-400-001-A
Installation of the Lower Sidewall Panels (Dado Panels)

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-21-41-400-001-A	Installation of the Passenger Seats
Lower Sidewall Panels - Installation

3. Job Set-up
Subtask 25-23-44-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001)
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.

4. Procedure
Subtask 25-23-44-420-050-A

A. Installation of the Panel

Lower Sidewall Panels - Installation

(1) Make sure that the work area is clean and clear of tools and other items.
(2) Engage the fasteners (3) in the attachment fittings (4) and install the panel (2).
(3) Install the quick release pins (1).

5. Close-up
Subtask 25-23-44-410-050-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) If necessary install the passenger seats removed for access (Ref. AMM TASK 25-21-41-400-001).

Subtask 25-23-44-862-052-A

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001)

[Rev.10 from 2021] 2026.03.31 23:31:14 UTC