C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
Water pump
Stage IV corrosion on internal surfaces; frozen; leaks........................
x
Stage III corrosion on internal surfaces .............................................................................................................
x
Stage II corrosion
.............................................................................................................
x
Fuel system:
Tanks:
Internal surfaces
Stage III corrosion ....................................................................................
x
Stage II corrosion; coating peeling or flaking .....................................................................................................
x
External surfaces
Stage IV corrosion....................................................................................
x
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
Lines, hoses, and connectors
Cracked or checked; kinked; broken; fungus growth.........................
x
Filters and sediment bowls
Stage IV corrosion on internal surfaces; cracked or broken ..............
x
Stage III corrosion on internal surfaces; element
deteriorated or contaminated
............................................................................................................. x
Stage II corrosion on internal surfaces .............................................................................................................
x
Carburetor, injectors or
nozzles.
Stage III corrosion; cracked or broken ..................................................
x
Stage II corrosion; contaminated
............................................................................................................. x
Seals
Deteriorated; leaks or seeps ...................................................................
x
Rain cap
Stage IV corrosion; cracked, broken, or missing .................................
x
Stage III corrosion
............................................................................................................. x
Stage II corrosion
.............................................................................................................
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
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
GOVERNORS:
Stage IV corrosion; linkage broken..................................................
x
Stage III corrosion; linkage frozen
............................................................................................................. x
Stage II corrosion
.............................................................................................................
x
CONTROLS AND INSTRUMENTS:
Stage III corrosion; cracked or broken; inoperable;
dial face illegible
x
Stage II corrosion; linkage frozen
............................................................................................................. x
ELECTRICAL SYSTEM:
Wiring
Broken strands; cracked insulation; fungus growth............................
x
Frayed; checked; loss of flexibility
............................................................................................................. x
Terminals and connections
Stage III corrosion; broken termninals ..................................................
x
Stage II corrosion
............................................................................................................. x
Spark plugs
Stage III corrosion on spark point end; ceramic
insulator broken
............................................................................................................. x
Stage II corrosion on spark point end
.............................................................................................................
x
magnetos and controllers.
Stage III corrosion; broken; frozen ........................................................
x
State II corrosion
............................................................................................................. x
Stage III corrosion; frozen.......................................................................
x
Stage II corrosion
............................................................................................................. x
DRIVE BELTS:
Checking; cracking; broken reinforcing; frayed; cut;
loss of flexibility and reslliency; fungus growth .................................................................................................
x
III-Z-1