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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