(6)
 Open the two quick release fasteners (5) at the left side of the ceiling panel (4).

 (7)
 Push the left side of the ceiling panel (4) up.

 (8)
 Move the ceiling panel (4) to the left and out of the spring fasteners (3).

 (9)
 Move the ceiling panel (4) at an angle with the right side down.

 (10) Make sure the right side of the ceiling panel (4) is clear from the overhead stowage compartments.
 (11) Remove the ceiling panel (4). R **ON A/C 106-149, 229-299, 301-399, 401-499,
 Subtask 25-23-41-020-050-A
 A. Removal of the Ceiling Panel
 (Ref. Fig. 401A/TASK 25-23-41-991-001-A)

 NOTE : The panel identification/location is found in (Ref. AMM 06-41-53
____ P.B. 001).
 (1)
 Remove the related overhead stowage-compartment door/s (referred to as door) (1):

 (a)
 Open the applicable door (1) on the right side of the aircraft (flight direction).

 (b)
 Remove the retaining rings (3), the washers (4) and the pins (6). NOTE : The damper (5) stays attached to the stowage-compartment.

____

 (c)
 Hold the door (1) and remove the pins (7) from the hinges (2).

 (d)
 Carefully remove the door (1) from the compartment.

 (2)
 Remove the ceiling panel (10):

 (a)
 Open the access doors (9) and disconnect the electrical connectors (8).

 (b)
 Put blanking caps on the disconnected electrical connectors.

 EFF : ALL

25-23-41Page 404

 (c)
 Open the two quick-release fasteners (11) at the left side (flight direction) of the ceiling panel (10).

 (d)
 Push the left side of the ceiling panel (10) up.

 (e)
 Move the ceiling panel (10) to the left and out of the spring fasteners (12).

 (f)
 Move the ceiling panel (10) at an angle with the right side down.

 (g)
 Make sure the right side of the ceiling panel (10) is clear from the overhead stowage-compartments.

 (h)
 Carefully remove the ceiling panel (10).

 Ceiling Panels Figure 401A/TASK 25-23-41-991-001-A12 (SHEET 1) 
R  EFF :  106-149, 229-299, 301-399, 401-499,  25-23-41 Page 406 Aug 01/05
 CES 

 Ceiling Panels Figure 401A/TASK 25-23-41-991-001-A22 (SHEET 2) 
R  EFF :  106-149, 229-299, 301-399, 401-499,  25-23-41 Page 407 Aug 01/05
 CES 

 **ON A/C ALL
 TASK 25-23-41-400-001
 Installation of the Ceiling Panels
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 33-21-00-710-001 Operational Test of the General Illumination
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228,
 25-23-41-991-001 Fig. 401 R **ON A/C 106-149, 229-299, 301-399, 401-499,
 25-23-41-991-001-A Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 25-23-41-860-051

 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001)
 EFF : ALL

25-23-41Page 408

 Subtask 25-23-41-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2000VU CABIN LIGHT POWER-CEILING AFT 304LG H07
 2000VU CABIN LIGHT POWER-CEILING FWD 305LG H05
 2000VU CABIN LIGHT POWER-CEILING FWD 306LG H06
 2000VU CABIN LIGHT POWER-CEILING AFT 307LG H08
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228,
 Subtask 25-23-41-560-050
 C. Preparation for Installation
 (1)
 Check the ceiling panel (4) for good condition.

 (2)
 Make an inspection of the air conditioning outlet ducts.
　
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