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(Ref. Fig. 601/TASK 78-32-41-991-312, 602/TASK 78-32-41-991-313, 603/TASK
78-32-41-991-314)
Subtask 78-32-41-210-051
A. Do a visual inspection of the blocker door seal and the seal retainer as follows:
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. Examine the blocker door seal for:
A. Damage No damage permitted If you find some damage, replace the blocker door (Ref. TASK 78-32-41-000-001) or (Ref. TASK 78-32-41-000-002) and (Ref. TASK 78-32-41-400-001) or (Ref. TASK 78-32-41-400-002)
B. Missing No missing permitted If there is missing, replace the blocker door. (Ref. TASK 78-32-41-000-001) or (Ref. TASK 78-32-41-000-002) and (Ref. TASK 78-32-41-400-001) or (Ref. TASK 78-32-41-400-002)
C. Cut No fully through cut in If you find fully through the longitudinal cut in the longitudinal direction permitted direction, replace the
blocker door (Ref. TASK 78-32-41-000-001) or (Ref. TASK 78-32-41-000-002) and (Ref. TASK 78-32-41-400-001) or (Ref. TASK 78-32-41-400-002)
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Door Seal and Permissible Damage of the Seals Retainer
Figure 602/TASK 78-32-41-991-313
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Blocker door Seal and Permissible Damage of the Seal Retainer
Figure 603/TASK 78-32-41-991-314
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
2. Examine the seal retainer for:
A. Gap
5. Close-up
________ Subtask 78-32-41-080-052
Fully through cuts in the cross direction are permitted in these limits:
- 0.59 in. (15 mm) maximum length -Four cuts maximum per blocker door seal
- 3.93 in. (99.8 mm) minimum distance between two cuts
0.039 in. (1 mm) maximum gap between the seal
retainer and the seal If the fully through cutsare not in the serviceablelimits, replace theblocker door (Ref. TASK78-32-41-000-001) or(Ref. TASK 78-32-41-000-002)and (Ref. TASK 78-32-41-400-001) or (Ref. TASK 78-32-41-400-002).
If the gap is not in theserviceable limits,
reshape the seal retainer as follows : Apply a non metallic (i.e. wood, plastic) block on the area to be reshaped. Reshape the seal retainer using a wooden hammer through repeated soft actions.
A. Remove the SAFETY SLEEVE - PIVOTING DOOR ACTUATOR (HIX3005) from the blocker door actuator without the thrust reverser operational (Ref. TASK 78-32-41-080-001).
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B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Stow the blocker door: CAUTION : BLOCKER DOOR LATCH MUST BE OPENED WHEN YOU CLOSE THE
_______
BLOCKER DOOR OR DAMAGE CAN OCCUR.
(a) Move the blocker door to the stow position manually (Ref. TASK 78-32-41-860-002).
Subtask 78-32-41-820-052
C. Make sure of the alignment of the blocker door (Ref. TASK 78-32-41-820-001).
Subtask 78-32-41-440-053
D. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 78-32-41-410-054
E. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Remove the access platform(s).
(3) Remove the warning notice(s).
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TASK 78-32-41-210-042
General Visual Inspection of the Blocker Door Seals
1. Reason for the Job
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