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R TASK 56-11-12-200-001-A R Inspection of the Fixed Windows R WARNING : MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE
_______ R OPENED, SAFETIED AND TAGGED.
R 1. Reason for the Job
__________________
R This procedure is applicable to the glass windows (SPS supplier, P/N R SPS...). R 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION
R -------------------------------------------------------------------------------
R No specific circuit breaker(s) safety clip(s)
R No specific light source
R No specific access platform 4.5 m (14 ft. 9 in.)

R B. Referenced Information

R -------------------------------------------------------------------------------R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R 56-10-00-110-002 R 56-10-00-200-004 R R 56-11-12-991-027 R 56-11-12-991-028 R 56-11-12-991-029 R 56-11-12-991-030 R 56-11-12-991-031 R 56-11-12-991-033 R 56-11-12-991-032 R 56-11-12-991-034 Cleaning of the L/R Fixed Windows Measurement of Scratch Depth with MITUTOYO Surface Tester SJ201 Fig. 601 Fig. 602 Fig. 603 Fig. 604 Fig. 605 Fig. 606 Fig. 607 Fig. 608
 1EFF : ALL 1 56-11-12Page 601 1 1 May 01/05 1 1 1CES 1

R  3. Job Set-up__________ 
R  Subtask 56-11-12-941-054 
R  A. Get Access 
R  (1) Put the access platform in position at the zone 210. 
R  (2) Clean the fixed windows (Ref. TASK 56-10-00-110-002). 
R  Subtask 56-11-12-865-061 
R  B. Open, safety and tag this(these) circuit breaker(s): 
R  -------------------------------------------------------------------------------
R  PANEL  DESIGNATION  IDENT. LOCATION 
R  -------------------------------------------------------------------------------
R  121VU COM NAV/RADAR/2  5SQ2  K14 
R  121VU COM NAV/RADAR/1  5SQ1  K13 
R  122VU ANTI ICE/WINDOWS/R  4DG2  W14 
R  122VU ANTI ICE/WHC/2  5DG2  W13 
R  122VU ANTI ICE/WINDOWS/L  4DG1  X14 
R  122VU ANTI ICE/WHC/1  5DG1  X13 
R  123VU ANTI ICE/L/WHSLD  1DG1  AF10 
R  123VU ANTI ICE/R/WHSLD  1DG2  AF03 
R  4. Procedure_________ 
R  Subtask 56-11-12-220-053 
R  A. Inspection of the Fixed Windows 
R  NOTE : "Impaired": in inspection table , the word "impaired" refers to____ 
R  visibility. Visibility is "impaired" when defects have an effect 
R  on visility. 
R  If visibility is "impaired", a maintenance action is necessary 
R  (replacement of the window panel). 
R  The pilot and maintenance personnel must make a decision about 
R  when to do this maintenance action. 
R  (1) Make an inspection of the glass fixed window for: 
R  (a) Cracks 
R  (Ref. Fig. 601/TASK 56-11-12-991-027) 

R 1EFF : 051-099, 1 56-11-12Page 602 1 1 May 01/05 1 1 1CES 1

R  Glass Fixed Window - Permitted Damage 
R  Figure 601/TASK 56-11-12-991-027 
R 1EFF :  051-099,  1  56-11-12 Page 603 
1  1  May 01/05
 1  1
 1CES  1

 

R  (b) Scratches 
R  (Ref. Fig. 602/TASK 56-11-12-991-028) 
R  NOTE : If you see scratches, you must do a check of the depth of____ 
R  the scratches: 
R  - with your finger nail or 
R  - with the MITUTOYO surface tester SJ201 (Ref. TASK 56-10-
R  00-200-004). 
R  (c) Chips 
R  (Ref. Fig. 603/TASK 56-11-12-991-029) 
R  (d) Delamination 
R  (Ref. Fig. 604/TASK 56-11-12-991-030) 
R  (e) Bubbles 
R  (Ref. Fig. 605/TASK 56-11-12-991-031) 
R  (f) Discoloration 
R  (Ref. Fig. 605/TASK 56-11-12-991-031) 
R  (g) Transparency 
R  (Ref. Fig. 605/TASK 56-11-12-991-031) 
R  (h) Interlayer microflakes 
R  (Ref. Fig. 606/TASK 56-11-12-991-033) 
R  (i) Burn spots 
R  (Ref. Fig. 607/TASK 56-11-12-991-032) 
R  (2) Do a check for burn spots. 
R  (Ref. Fig. 608/TASK 56-11-12-991-034) 
R  (a) Put a light source at 45 deg. to the outer surface of the window 
　
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