AIRPLANE
OPERATIONS
MANUAL
EMERGENCY
PROCEDURES
REVISION 40
1-03-09
Page
1
Code
03
AOM-145/1114
APU FIRE
EICAS WARNING: APU FIRE
LIGHT: Master Warning
AURAL WARNING: BELL
APU Fuel Shutoff Valve................................................ CLOSE
APU Master Knob ......................................................... OFF
APU FUEL SOV CLSD message
on EICAS................................................................. CONFIRM
If the valve is not confirmed closed and the fire message remains:
Right Electric Fuel Pumps ....................................... OFF
Crossfeed ................................................................ OFF
Initiate a descent to 25000 ft or MEA, whichever is higher.
After 30 seconds, if the APU FIRE message remains displayed or if
the APU FIREDET FAIL message is displayed:
APU Fire Extinguishing Button ................................ PRESS
Land at the nearest suitable airport.
WARNING:
DO NOT ATTEMPT TO RESTART APU.
APU OVERTEMPERATURE
EICAS Indication: EGT enters amber or red range.
APU Bleed .................................................................... CLOSE
Wait 10 seconds.
If EGT still in red or yellow range:
APU Fuel Shutoff Valve........................................... CLOSE
APU Master Knob.................................................... OFF