(7)
Frame 8 (Ref. Fig. 007) This frame is closed and consists of machined upper, lateral and lower curved members. The upper curved members form the posts between the side windows. The frame supports a cross beam of the cockpit floor. This cross beam is also supported by two rods which are themselves supported by the lower section of the frame.
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Frames 2 and 4
Figure 006
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Frame 8 Figure 007
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(8)
Frame 9 (Ref. Fig. 008) The frame which is open at the level of the side windows consists ; of an upper curved member formed from folded sheet, and machined lateral and upper curved members. The lower section provides the forward bulkhead of the nose landing gear box. Two reinforcement rods are attached to the top corners of the landing gear box and to the lateral curved members of the frame.
(9)
Frame 10 Consists of an upper curved member and lateral curved members formed from folded sheet and two machined lower curved members attached to the landing gear well.
(10)
Frame 11 (Ref. Fig. 009) The upper lateral and lower curved members are machined. The upper curved members provide the aft posts of the side windows. A floor cross beam is secured to the frame. This cross beam is supported by two rods which are supported by the landing gear well.
(11)
Frame 12 The upper and lateral curved members are formed from folded sheet. They comprise an extruded T-section and a splice which provide the skin joint. The lower curved members are machined. This frame supports a cross beam of the floor reinforced by two rods attached to the landing gear well.
(12)
Frames 13 and 14 The upper and lateral curved members are formed from folded sheet. The lower curved members are machined. These frames have an opening in the lower right (FR13) or left (FR14) section for the cargo compartment doors. Frame 14 also supports a cross beam of the cabin floor.
(13)
Frames 15 and 16 (Ref. Fig. 010) These reinforced frames form the forward frames of the passenger/crew doors. All curved members are machined. Frame 16 supports a cross beam of the floor.
(14)
Frames 17A and 19A (Ref. Fig. 011) These frames consist only of lower machined curved members.
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Frame 9
Figure 008
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Frame 11
Figure 009
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Frame 16 Figure 010
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Frame 17 Figure 011
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(15)
Frame 18
The upper curved member is formed from folded sheet and the lower
curved members are machined.
(16)
Frames 20 and 21 (Ref. Fig. 012) These reinforced frames form the aft frames of the passenger/crew doors. All curved members are machined. The frames support a cross beam of the floor. Frame 20 closes the rear of the landing gear well and is reinforced by rods attached to the top corners of the landing gear well.
(17)
Frame 23 This frame is closed. The upper and lateral curved members are formed from folded sheet and the lower curved member is machined. This frame supports a cross beam of the floor reinforced by two struts.
D. Floors (Ref. Fig. 013) The cockpit, cabin and avionics compartment floors consists mainly of honeycomb panels attached to the floor support structure with screws In the forward avionics compartment the floor panels are installed to protect the structure and systems when an operator gets access to the compartment.
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Frame 20
Figure 012
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Typical Floor Assemblies
Figure 013
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MAIN STRUCTURE - INSPECTION/CHECK
_________________________________
TASK 53-11-00-210-001
R Detailed Inspection of Forward Passenger/Crew Door Frame, Upper Corners, R External Surface, LH and RH
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