Subtask 53-31-00-916-065
A. Temporary Protection Procedure
(Ref. Fig. 702/TASK 53-31-00-991-027)
(1) Apply STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-005A) or STORAGE PRESERVATION (Material No. 15-006) or equivalent to the fuselage internal structure below the cabin floor panels, including the cabin floor structure between FR36 and FR46.
5. Close-up
________
Subtask 53-31-00-410-076
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Release and fold down the insulation blankets and attach them in their initial positions.
(3)
Install the cabin air supply ducts, removed to gain access to the cabin floor structure between FR36 and FR46 (Ref. TASK 21-20-00-410-001).
(4)
Install the lower sidewall panels between FR42 and FR46 (Ref. TASK 25-23-44-400-001).
(5)
Install the floor panels 241HF, 241GF, 241FF, 241EF, 242FF, 242GF, 242HF, 241MF, 241LF, 241KF, 241JF, 242KF, 242LF, 242MF (Ref. TASK 53-32-12-400-002).
(6)
Install the equipment and furnishing, removed to get access to the cabin floor panels.
(7)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Subtask 53-31-00-862-051
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
EFF : ALL
53-31-00Page 709
Fuselage Internal Structure Below Cabin Floor Panels, Including Cabin Floor
Structure between FR36 and FR46.
Figure 702/TASK 53-31-00-991-027
EFF : ALL 53-31-00 Page 710
Feb 01/98
CES
FLOOR PANELS - DESCRIPTION AND OPERATION
________________________________________
1. General
_______
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
A. Cabin Floor Panels The cabin compartment floor is a panel assembly. The floor panels are made of a honeycomb core which is bonded between reinforced composite sheets.
**ON A/C 301-399,
A. Cabin Floor Panels The cabin compartment floor is a panel assembly. The floor panels are made of a honeycomb core which is bonded between reinforced composite sheets.
B. Door Threshold Heater Panels Door-threshold heater panels are installed in the emergency exit areas, adjacent the door sill. These panels are of metal construction.
**ON A/C ALL
2. Description and Operation
_________________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
A. Cabin Floor Panels The cabin floor panels are installed between the seat tracks and the floor support structure. Rubber sealing strips are installed between the panels, seat tracks and support structure and screws attach the panels to the structure. The screws are installed with a corrosion preventive paste. The gaps between the panels are filled with sealant. Support struts are installed between the cross beams and support structure to prevent floor distortion.
EFF : ALL
53-32-00Page 1
R **ON A/C 301-399,
R A. Cabin Floor Panels
R The cabin floor panels are installed between the seat tracks and the
R floor support structure. Rubber sealing strips are installed between the
R panels, seat tracks and support structure and screws attach the panels to
R the structure. The screws are installed with a corrosion preventive
R paste. The gaps between the panels are filled with sealant. Support
R struts are installed between the cross beams and support structure to
R prevent floor distortion.
R B. Door Threshold Heater Panels
R To increase the cabin temperatures in the emergency exit areas, an
R electrically heated threshold panel is installed. The panel heater is
R contained in a metal sheet, shaped to include the contours of the drain
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