Daher TBM 850, Pilot'S Information Manual

Page: 1196 / 1225

SUPPLEMENT 66
“GARMIN” G1000 NXI RETROFIT
T B M
850
Edition 0 -- October 30, 2017
Rev. 0 Page 9.66.7
ADC FAILURE
Symptoms :
-- On PFD(S) : COMPARATOR WINDOW (WHITE ANNUNCIATION) :
“IAS” and/or “ALT”
-- On PFD(S) : REVERSIONARY SENSOR WINDOW (YELLOW
ANNUNCIATION) : “BOTH ON ADC1” or “BOTH ON ADC2”
Lost systems :
-- ADC1 or ADC2
Actions : AUTOPILOT IS STILL OPERATIVE
1 -- ADC1 and/or ADC2 circuit breaker CHECKED “IN”
A -- If yellow annunciation “BOTH ON ADC1” or “BOTH ON ADC2”
is associated to white annunciation “IAS” and/or “ALT” :
1 -- NO action required
If ALL white annunciations, (“IAS” and/or “ALT”), GO “OFF”,
refer to following “B” procedure.
B -- If yellow annunciation “BOTH ON ADC1” or “BOTH ON ADC2”
ONLY (not associated to white annunciation “IAS” and/or
“ALT”), pilot may do following actions :
1 -- PFD1 and PFD2 “SENSOR” softkey’s PRESSED
2 -- ADC1 on PFD1 and/or ADC2 on PFD2 RESET
3 -- “BOTH ON ADC1” or
BOTH ON ADC2” annunciation’s – OFF CHECKED
PIM - DO NOT USE FOR FLIGHT OPERATIONS