MD Helicopters CSP-900RMM-2, Servicing And Maintenance

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CSP − 900RMM − 2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 16
Original
53-20-00
5. Cabin Floor Panels
(Ref. Figure 8)
The cabin floor panel installation installs a
combination of composite and metallic panels
that form the cabin floor. All panels are
secondary structural components and are
stressed panels.
A. Composite Panels
(Ref. Figure 8)
The composite panels are the forward floor
panel assembly, the center floor panel assem­
bly, and the aft floor panel assembly.
The forward, center, and aft floor panel
assemblies utilize multiple ply skins and
reinforcement plies of graphite/epoxy and
fiberglass/epoxy cocured with a Nomex
honeycomb core. Around the periphery of the
composite panel, the core is tapered and the
panel transitions to form integral monolithic
laminate attachment flanges. The composite
panels in the forward and aft floor panel
assemblies, have monolithic laminate
attachment flanges in the areas of attachment
of the fuel vent valve access covers.
B. Metallic Panels and Covers
(Ref. Figure 8)
The panels that are metallic are the left and
right outboard floor assemblies, the left and
right forward fuel vent valve access covers,
and the left and right aft fuel vent valve access
covers. These panels are fabricated from
aluminum alloy sheet.
C. Seat Tracks
(Ref. Figure 8)
The seat tracks are installed for attachment of
passenger seats and cargo tie-down rings. The
seat tracks are fabricated from standard
aluminum alloy seat track extrusions.
D. Kick Strips
(Ref. Figure 8)
The left and right cabin kick strips cover the
interface between the outboard floor panels
and the cabin sills of the tub assembly. These
components are installed with screws. The
kick strips are fabricated from aluminum alloy
sheet.
E. Cabin Door Fillets
The cabin door fillets are located at the lower
aft corners of the left and right cabin door
openings. The fillets are secondary structural
components that complete and reinforce the
joints between the cabin door frame compo­
nents and the cabin sills. The fillets are
fabricated using aluminum alloy sheet.