Pilot's Operating Handbook
Section 3
Emergency procedures
EASA Approved
Edition 0 - March 05, 2019
Rev. 0
Page 3.12.31
ADC failure
Symptoms :
- On PFD(s) : Comparator window
IAS
and/or
ALT
annunciation(s),
- On PFD(s) : Reversionary sensor window
BOTH ON ADC1 or BOTH ON ADC2 annunciation.
Lost systems :
- ADC1 or ADC2
Action
s :
Autopilot and autothrottle are still operative.
1 - ADC 1 and/or ADC 2 breaker Check pushed. . . . . . . . . . . . . . . . . . . . . . . . . . .
If BOTH ON ADC1 or BOTH ON ADC2 annunciation is associated to
IAS and/or ALT
annunciation(s)
2 - No action required.
End of procedure ■
If all annunciations
IAS , ALT
go off, refer to following
condition.
If BOTH ON ADC1 or BOTH ON ADC2 annunciation not associated to
IAS and/or ALT
annunciation(s)
3 - PFD1 and PFD2 SENSOR softkeys Press. . . . . . . . . . . . . . . . . . . . . . .
4 - ADC1 on PFD1 and/or ADC2 on PFD2 Reset. . . . . . . . . . . . . . . . . . . . .
5 - BOTH ON ADC1 or BOTH ON ADC2
annunciation Check OF
F. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
● NOTE ●
AT may be possibly disengaged.
●
End of procedure.
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