Page 100 2
nd
Edition – Rev 0
28-10
FUEL SYSTEM –TROUBLESHOOTING
TROUBLESHOOTING
ATA 28 Fuel System Troubleshooting
Leakages from fuel filler
cap
Filler cap mechanical
failure
Visual evidence of leaking
fuel
Hose leaking, loose
connection or fuel system
component leaking
Visually check fuel system
components: replace items
if needed
Fuel quantity indicator
gives incorrect indication
Indicator or fuel sender
fails
Test system: replace
indicator or fuel sender if
needed
Fuel continues to flow with
fuel selector valve closed
Replace valve if defective
Bowden control cable
disconnected