R MLG Doors - Location
R Figure 001A
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MLG Doors - Detail
Figure 002
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R MLG Doors - Detail
R Figure 002A
1EFF : 301-399, 1 52-81-00 Page 5
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- two aluminum alloy hinges - an aluminum alloy uplock assembly - three stainless steel step assemblies - an aluminum alloy central ramp - an aluminum alloy lateral ramp - two aluminum alloy sensor assemblies.
B. MLG Hinged Fairing Assembly
Each MLG hinged fairing assembly has a NOMEX honeycomb core with CFRP plies bonded to each face. Attached to each MLG hinged fairing assembly are:
- an aluminum alloy hinge plate - silicone rubber sealing strips - a CFRP edge angle.
C. MLG Fixed Fairing Assembly
Each MLG fixed fairing assembly has a NOMEX honeycomb core with CFRP plies bonded to each face. Attached to each MLG fixed fairing assembly are:
- an aluminum alloy seal angle - a silicone rubber seal
- a CFRP edge angle - three inner and outer spools - five rod end assemblies
- three link assemblies
- aluminum alloy serrated plates - adjustable studs - aluminum alloy cover plates.
R **ON A/C 301-399,
R R A. MLG Main Door Assembly
R R R R R R R R R R R Each MLG main door assembly has a NOMEX honeycomb core with CFRP plies bonded to each face. Attached to each MLG main door assembly are: - an aluminum alloy forward fitting - an aluminum alloy center fitting - an aluminum alloy rear fitting - three aluminum alloy hinges - an aluminum alloy uplock and step assembly - a stainless steel step assembly - an aluminum alloy lateral ramp - two aluminum alloy sensor assemblies.
1EFF : ALL 1 52-81-00Page 6 1 1 May 01/04 1 1 1CES 1 1EFF : ALL 1 52-81-00Page 7 1 1 May 01/04 1 1 1CES 1 C. MLG Fixed Fairing
R B. MLG Hinged Fairing Assembly
R
R Each MLG hinged fairing assembly has a NOMEX honeycomb core with CFRP
R plies bonded to each face. Attached to each MLG hinged fairing assembly
R are:
R - an aluminum alloy hinge plate
R - silicone rubber sealing strips
R - a CFRP edge angle.
R
R C. MLG Fixed Fairing Assembly
R
R Each MLG fixed fairing assembly has a NOMEX honeycomb core with CFRP
R plies bonded to each face. Attached to each MLG fixed fairing assembly
R are:
R - an aluminum alloy seal angle
R - a silicone rubber seal
R - a CFRP edge angle
R - three inner and outer spools
R - five rod end assemblies
R - three link assemblies
R - aluminum alloy serrated plates
R - adjustable studs
R - aluminum alloy cover plates
R - a tab hinge 1A fairing extension (Ref. 57-55-00).
R **ON A/C ALL
3. System Description__________________
A. MLG Main Door
The MLG main doors open around the aircraft center line. They are usually
in the closed position and locked. An actuator opens the MLG main doors
when the MLG extends or retracts. A control lever and cable to the uplock
opens the MLG main doors for maintenance.
B. MLG Hinged Fairings
The MLG hinged fairings attach to the wing. A connecting rod from the MLG
causes the MLG hinged fairings to open or close when the MLG extends or
retracts.
The MLG fixed fairing is fixed in relation to the MLG. It attaches at five positions to the MLG and moves directly with the MLG.
1EFF : ALL 1 52-81-00Page 8 1 1 May 01/04 1 1 1CES 1 MAIN GEAR DOORS - INSPECTION/CHECK
__________________________________
TASK 52-81-00-200-001
Detailed Visual Inspection of Main Landing Gear Door Forward and Aft Fitting R
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
1. Reason for the Job
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