TB 1-1520-237-25-2
Cabin door frame, L/H and R/H.
(I)
Cabin door track, L/H and R/H.
(2)
Cabin door latch keep, L/H and R/H.
(3)
Floor Panel Under the Spectrum Analyzer: Check the floor panel under the spectrum
(g)
analyzer for crushing or delamination due to corrosion. These characteristics may indicate
damage to floor support structure.
Shear Deck Area of the Transmission Support Beams and Rescue Hoist Mounts and fittings
(h)
MA
FRAME
'STA379
Figure 5. CABIN STRUCTURE (TOP)
Closely examine the shear deck area of the main transmission support beams,
(I)
rescue hoist mounts and fittings for cracks; loose or missing fasteners; oversized
holes; corrosion; dents; and scratches or nicks. The areas of concern are the
following:
All shear deck fasteners on the ceiling side between F.S. 361 and 326; B.L.
(a)
16.5, L/H and R/H; and outboard.
Where the straps overlap the beams on the ceiling side of F.S. 327.115 and
(b)
360.065; B.L. 16.5, L/H and R/H; and inboard to the end of the straps.
(c)
The attachment of the beams at F.S. 327.115 forward end; F.S. 360.065;
aft end to B.L. 16.5 beam; and L/H and R/H immediately inboard B.L. 16.5 above
waterline 261.
A-10 Change 1