(b)
 Put the light source:

 -at 45 degrees to the opposite surface of the window pane
 -and at 90 degrees to the longitudinal axis of the damage.

 (c)
 Set the light source to ON.

 (d)
 The depth of the damage shows as a dark area on the graph paper. Make a line around the dark area, and measure and record the distance at the maximum depth.

 (e)
 Multiply the dimension by 1.6 to get the correct depth.

 5. Close-up
________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 56-21-13-942-052
 A. Put the aircraft back to the serviceable condition.
 (1)
 Do the special precautions after you do work on the door. (Ref. TASK 52-10-00-860-002)

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Close the applicable passenger/crew door 831 or 841 or 832 or 842 (Ref. TASK 52-10-00-410-001).

 (4)
 Remove the access platform(s).

 (5)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 1EFF : ALL 1 56-21-13Page 610 1 1 Aug 01/05 1 1 1CES 1

R **ON A/C 301-399,

R  Subtask 56-21-13-942-052-A 
R  A. Put the aircraft back to the serviceable condition. 
R  (1) Do the special precautions after you do work on the door. (Ref. TASK 
R  52-10-00-860-002) (Ref. TASK 52-22-00-860-004) 
R  (2) Make sure that the work area is clean and clear of tool(s) and other 
R  items. 
R  (3) Close: 
R  - the applicable passenger/crew door 831 or 832 or 841 or 842 
R  (Ref. TASK 52-10-00-410-001) 
R  - the emergency exit door 833 or 834 or 843 or 844 (Ref. TASK 52-22-
R  00-410-001). 
R  (4) Remove the access platform(s). 
R  (5) Remove the ground support and maintenance equipment, the special and 
R  standard tools and all other items. 

R 1EFF : 301-399, 1 56-21-13Page 611 1 1 May 01/04 1 1 1CES 1

R **ON A/C ALL

 TASK 56-21-13-200-002 Inspection of Cabin Windows Removed
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 3.0 m (9 ft. 10 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
25-23-43-000-001 Removal of the Upper Sidewall Panel(s)
 25-23-43-400-001 Installation of the Upper Sidewall Panel(s)
 56-21-13-000-001 Removal of the Cabin Window
 56-21-13-200-001 Detailed Visual Inspection of the Cabin Window Panes,

 including the Window Panes in Doors 56-21-13-400-002 Installation of the Cabin Window 56-21-13-991-001 Fig. 602 56-21-13-991-002 Fig. 603 56-21-13-991-003 Fig. 606
 3. Job Set-up
__________ Subtask 56-21-13-010-051
 A. Get Access
 (1)
 Put the access platform in position.

 (2)
 Remove the upper sidewall panels as necessary (Ref. TASK 25-23-43-000-001).

 1EFF : ALL 1 56-21-13Page 612 1 1 May 01/04 1 1 1CES 1

 (3) Remove and disassemble the cabin window assembly (Ref. TASK 56-21-13-
000-001).
 4. Procedure_________ (Ref. Fig. 602/TASK 56-21-13-991-001, 603/TASK 56-21-13-991-002, 606/TASK 56-21-13-991-003)
 Subtask 56-21-13-210-054
 A. Inspection:
 (1)
 Make an inspection of the window panes for defects (Ref. TASK 56-21-13-200-001).

 (2)
 Examine the rubber seal for signs of damage and/or material deterioration. You must replace a defective seal.

 (3)
 Make an inspection of the retainer for signs of damage and/or corrosion. You must replace a retainer with damage and/or corrosion that is more than the permitted limits.

 5. Close-up
________ Subtask 56-21-13-410-051
 A. Close Access
 (1)
 Assemble and install the cabin window assembly (Ref. TASK 56-21-13-400-002).
　
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