(c)
For access to the right side do step that follows:
1) Remove the trim panel immediately forward of the right crew entry door to allow access to the area.
(d)
Locate the aft side of the dripshield covering BS 360 frame from stringers S7R to S10R.
(e)
Cut a 2.0 by 30.0 inch slot in the dripshield aft side and slit the insulation blanket. This is access slot E.
S 016-093
(3) Gain access to BS 380 frame.
(a) To gain access to BS 380 frame aft side at stringer S1R cut a
3.0 inch diameter hole in the dripshield aft side and slit the insulation blanket. This is access opening F.
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(b)
Locate the aft side of the dripshield covering BS 380 frame from stringers S7R to S10R.
(c)
Cut a 2.0 by 30.0 inch slot in the dripshield aft side and slit the insulation blanket. This is access slot G.
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(4) Inspect BS 340 frame right.
(a) Place the borescope insertion tube in access hole A to locate the frame. Scan the frame from the inboard flange to the skin.
NOTE: Inspect the cutouts and fastener locations carefully.
____
(b)
Feed the insertion tube outboard along the aft side of the frame until the scan has covered stringers S1R to S3R, then remove the borescope.
(c)
Place the borescope in access hole B and scan the frame upward to stringer S3R.
(d)
Scan the frame downward below stringer S6R, then remove the borescope.
(e)
Place the borescope in the upper access slot C1 and scan the frame upward to stringer S6R.
(f)
Scan the frame downward to stringer S9R, then remove the borescope.
(g)
Insert the borescope in the lower access slot C2, and scan the frame upward to stringer S8R.
(h)
Scan the frame downward to the upper deck floor line at stringer S12AR.
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(5) Inspect BS 360 frame right.
(a)
Insert the borescope tube through access slot D and the forward lightning hole of the intercostal between S1R and S2R, and locate the BS 360 frame aft side.
(b)
Scan the frame downward to stringer S5R.
(c)
Visually inspect the frame from the stringers S7R to S10R, through access slot E.
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(d)
Place the insertion tube in access slot E and scan upward to stringer S6R.
(e)
Scan the frame downward to the floor at stringer S12R.
(f)
Place the insertion tube in access slot E and through the frame lightening hole above stringer S8R. Move the tube behind the blanket and move the tube forward to scan the intercostal at stringer S8R.
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(6) Inspect the BS 380 frame right.
(a)
Place the borescope insertion tube into the access opening F, and locate BS 380 frame aft side.
(b)
Scan the frame outboard and downward to stringer S5R.
(c)
Visually inspect the frame from stringers S7R to S10R through access slot G.
(d)
Place the insertion tube in access slot G and scan the frame upward to stringer S5R.
(e)
Scan the frame downward to the floor at stringer S12R.
(f)
Repair all the cracks which you find (SRM 53-10-04).
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(7) After inspection and any repairs are complete, seal all the insulation blankets, and repair all fiberglass dripshield holes and slots.
(a)
Seal each insulation blanket slit using insulation tape or covering (AMM 25-00-00).
(b)
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