The aileron is extended or retracted with set spoilers for this function:
-with spoilers 2 thru 5 to control roll.
The aileron drive mechanism is electrically controlled (Ref. 27-14-00) and uses hydraulic power to move the control surface.
2. Description
___________
The aileron is a wedge-shaped structure and has these resin impregnated
carbon fiber components:
-inboard and outboard end ribs
-internal ribs
-top and bottom skins, with honeycomb cores
-spar.
3. Component Description
_____________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
The top and bottom skins and the end ribs of the aileron make a wedge-shaped stucture. It is strengthened by the internal ribs and the spar. Seven machined aluminum alloy brackets are attached to the spar. Two of the brackets connect to actuators which are installed on the fixed structure of the trailing edge. The other five are hinge brackets. The actuators are electrically controlled and use hydraulic power to extend or retract the aileron. Also attached to the spar are aluminum alloy diaphragms and plate seals, which make a smoother air flow around the aileron. There are two inspection holes in the spar.
R Aileron Figure 001
1EFF : 1 1 1CES ALL 1 111 57-60-00 Page 2 Aug 01/02
On the ends of the aileron there are silicon rubber seals attached to the
top and bottom skins. Four static dischargers and retainers are mounted at
the trailing edge of the aileron. Two lightning strips are mounted on the
top skin of the aileron. One of these lightning strips is at the inboard end
between the trailing edge and the number 2 hinge bracket. The other
lightning strip is at the outboard end between the number 3 static
discharger and the number 5 hinge bracket. Gaps between the aft-edge of the
ribs and the channel help the aileron to drain. The aileron has a layer of
glass-fibre on its trailing edge at the joint between the top and bottom
skins and the channel. This glass-fibre layer prevents corrosion of the
aileron trailing edge.
R **ON A/C 301-399,
R The top and bottom skins and the end ribs of the aileron make a wedge-shaped
R stucture. It is strengthened by the internal ribs and the spar. Seven
R machined aluminum alloy brackets are attached to the spar.
R Two of the brackets connect to actuators which are installed on the fixed
R structure of the trailing edge. The other five are hinge brackets. The
R actuators are electrically controlled and use hydraulic power to extend or
R retract the aileron. Also attached to the spar are aluminum alloy diaphragms
R and plate seals, which make a smoother air flow around the aileron. There
R are two inspection holes in the spar.
R
R On the ends of the aileron there are silicon rubber seals attached to the
R top and bottom skins. Four static dischargers and retainers are mounted at
R the trailing edge of the aileron. Two lightning strips are mounted on the
R top skin of the aileron. One of these lightning strips is at the inboard end
R between the trailing edge and the number 2 hinge bracket. The other
R lightning strip is at the outboard end between the number 3 static
R discharger and the number 5 hinge bracket. Gaps between the aft-edge of the
R ribs and the channel help the aileron to drain.
AILERONS - INSPECTION/CHECK___________________________
TASK 57-60-00-200-001
Detailed Visual Inspection of Aileron Upper and Lower Skin External Surfaces in Region Between Hinges 3 and 4
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING_______ GEAR.
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.
R R R R R CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:_______ - DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS. - DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS. - MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
1. Reason for the Job__________________
Refer to the MPD TASK: 576101-01
2. Job Set-up Information______________________
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