SECTION 3
E
M
E
R
GENCY
PRO
CE
D
URE
S
PA-28-181, ARCHER ill
3.5 EMERGENCY PROCEDURES CHECK LIST (continued)
3.Se Avionics System Failures (continued)
MFD Failure
Indication: MFD display goes blank.
I
NoTE
I
PFD should automatically rever110 the reversionary
111ut.lt:
display.
DlSPLA Y BACKUP on audio panel .................. PUSH (button ex1ended)
Exii and avoid /FR conditions as soon as practical.
NOTE
The following feawres will become inoperalive if
there is a complete loss of MFD f'unctionality:
• COM2 (yellow x'd but 121.5 MHz remains available)
•
NAV2
• GPS2
• GDL
69
SXM (Garmin Datalink - XM)
•
DME
• ADF
• ESP
NOTE
If the GFC700 au1opilo1 was engaged prior to
MFD failure, ii will remain engaged in its current
lateral and venical modes. The modes cannot
be changed and if the autopilot is disengaged, iL
cannot be re-engaged.
Although the PFD should automatically go
LO
reversionary mode
display after an MFD failure, pressing the DTSPLA Y BACKUP button
ensures that the PFD reverts. Without automatic or manual reversion of the
PFD display, all engine parameters on Lhe EIS window would be lost.
REPORT: VB-2749
3-24
ISSUED: December 22, 2017
REVISED: May 7, 2018
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