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REFERENCE DESIGNATION
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78-32-41-860-001 Manual Deployment of the Blocker Door
78-32-42-000-001 Removal of the Ramp Fairing
78-32-42-400-001 Installation of the Ramp Fairing
78-36-00-010-040 Opening of the Thrust Reverser Doors
78-36-00-410-040 Closing of the Thrust Reverser Doors
78-32-42-991-301 Fig. 601
3. Job Set-up
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Subtask 78-32-42-941-050
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 78-32-42-010-050
B. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position.
Subtask 78-32-42-040-050
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
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D. Manually move the blocker door to the open position (Ref. TASK 78-32-41-860-001).
Subtask 78-32-42-480-051
E. Install the SAFETY SLEEVE - PIVOTING DOOR ACTUATOR (HIX3005) on the
blocker door actuator (Ref. TASK 78-32-41-480-001).
Subtask 78-32-42-010-051
F. Open the thrust reverser cowl doors (Ref. TASK 78-36-00-010-040):
FOR 1000EM1
451AL, 452AR.
FOR 1000EM2
461AL, 462AR.
4. Procedure
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(Ref. Fig. 601/TASK 78-32-42-991-301)
Subtask 78-32-42-210-050
A. Do a Visual Inspection of the Ramp Fairing
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1. Examine the ramp fairing for :
A. Damage No damage permitted If you find some damage, replace the defective part (Ref. TASK 78-32-42-000-001) and (Ref. TASK 78-32-42-400-001)
B. Crack 1 in. (25.4 mm) maximum Seal damaged area from
length in any direction entrance of moisture with aerodynamic tape (Material No. CP2517)
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Ramp Fairing
Figure 601/TASK 78-32-42-991-301- 12 (SHEET 1)
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Ramp Fairing
Figure 601/TASK 78-32-42-991-301- 22 (SHEET 2)
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
C. Hole
D. Delamination
7.4 in. (187.96 mm) minimum separation between other cracks, holes and delaminations
Five cracks maximum per ramp fairing
1 in. (25.4 mm) maximum diameter
7.4 in. (187.96 mm) minimum separation between other holes, cracks and delaminations
Five holes maximum per ramp fairing
1.5 in. (38.1 mm) maximum length
7.4 in. (187.96 mm) minimum separation between other delaminations, holes and cracks
Five delaminations maximum per ramp fairing Monitor at "A" check
If more than maximumlimits, replace the ramp fairing (Ref. TASK 78-32-42-000-001) and (Ref. TASK 78-32-42-400-001)
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