C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
Carburetor
Stage III corrosion; cracked or broken ..................................................
x
Stage II corrosion; contaminated
............................................................................................................. x
Seals
Deteriorated; leaks or seeps ...................................................................
x
Brackets and hangers
Stage IV corrosion; cracked or broken ..................................................
x
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
Stage IV corrosion; punctured................................................................
x
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
ELECTRICAL SYSTEM:
Wiring
Broken strands; cracked insulation; fungus growth ...........................
x
Frayed; checked; loss of flexibility
............................................................................................................. x
Spark plugs
Stage III corrosion on spark point end; ceremic
insulator broken
............................................................................................................. x
Stage 11 corrosion on spark point end .............................................................................................................
x
Switches, magnetos and
timers.
Stage III corrosion; broken; frozen .......................................................
x
Stage II corrosion
............................................................................................................. x
Stage III corrosion; cracked or broken .................................................
x
Stage II corrosion
.............................................................................................................
x
LUBRICATION SYSTEM:
Lines, hoses, and fittings
Kinked; broken; leaks or seeps; checked or cracked;
fungus growth
x
Filters
Stage III corrosion on internal or external surfaces ............................
x
Stage II corrosion on internal surfaces; element
deteriorated or contaminated
............................................................................................................. x
Lubricant
Contaminated .....................................................................................
x
Seals
Deteriorated; leaks or seeps ...................................................................
x
CONTROLS AND
INSTRUMENTS:
Stage III corrosion; cracked or broken; inoperable;
dial face illegible
x
Stage II corrosion; linkage frozen
............................................................................................................. x
GOVERNORS:
Stage IV corrosion; linkage broken..................................................
x
Stage III corrosion; linkage frozen
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
BRAKE ASSEMBLY:
Drum and/or shoes
Stage IV corrosion....................................................................................
x
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
yokes and/or linkage.
Stage IV corrosion; distorted or broken ................................................
x
Stage III corrosion; frozen
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
Fluid reservoirs, wheel and
master cylinders.
Stage III corrosion on internal surfaces; stage IV
corrosion on external surfaces; leaks: hoots
deteriorated; frozen
x
Stage III corrosion on external surfaces; stage II
corrosion on internal surfaces
............................................................................................................. x
Air reservoir
Stage III corrosion on internal surfaces; stage IV
corrosion on external surfaces
x
Stage II corrosion on internal surfaces; stage III
corrosion on external surfaces
............................................................................................................. x
Cylinder actuating rods
Stage IV corrosion ...................................................................................
x
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
Lines, hoses and fittings
Checked; cracked; kinked; split or cut; leaks; loss
of flexibility
x
HIEATING SYSTEM:
Fuel oil burner assembly:
Nozzles
Stage IV corrosion; fuel residue or other foreign matter in openings
x
III-V-2