Installation of the Cove Light Panel

TASK 25-23-48-400-001-A
Installation of the Cove Light Panel

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
98A25207503000	1	PULLEY ASSEMBLY - SEALING CORD

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
Cove Light Panels ** ON A/C NOT FOR ALL
Cove Light Panels ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-23-48-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-41-00-861-002).
(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 25-23-48-420-051-A ** ON A/C NOT FOR ALL

A. Installation of the Cove Light Panel (3)
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Engage the brackets (6) of the cove light panel (3) in the fitting (5).
(3) Connect the bonding strap (8) to the cable socket (7).
(4) Align the flange (2) with the rail (1).
(5) Engage the flange (2) on the rail (1).
(6) Make sure that the dimension 'X' is 10 +2 mm or -2 mm (0.3937 +0.0787 in. or -0.0787 in.).
(7) Install the seal (4) if removed into the rail (1). Use 98A25207503000 PULLEY ASSEMBLY - SEALING CORD.

Subtask 25-23-48-420-051-B ** ON A/C NOT FOR ALL

A. Installation of the Cove Light Panel (3)
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Engage the brackets (6) of the cove light panel (3) in the fitting (5).
(3) Align the flange (2) with the rail (1).
(4) Engage the flange (2) on the rail (1).
(5) Make sure that the dimension 'X' is 10 +2 mm or -2 mm (0.3937 +0.0787 in. or -0.0787 in.).
(6) If removed, install the seal (4) into the rail (1). Use 98A25207503000 PULLEY ASSEMBLY - SEALING CORD.

5. Close-up
Subtask 25-23-48-862-050-A

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

[Rev.10 from 2021] 2026.04.01 03:48:49 UTC