Saab 340B, Operation Manual, Page: 195 / 670

AUTOFLIGHT, CAT II
Description
Aircraft Operations Manual
3.1
O
PAGE 15
Jun 01/19
A13600
1.
12.
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12.
IF FAILURE WITH THE FD/AP SYSTEM OCCURS, PERFORM FCS
DIAGNOSTICS ENTRY AND NOTE REPAIR, AP DIS, YD DIS,
AP ENG AND YD ENG CODES IN THE AIRCRAFT LOGBOOK.
1. EFIS test switch PRESS AND HOLD. . . . . . . . . . . . . . . . . . . . . .
− After Landing, with AP and YD disengaged
and before L and R AVION power shutdown.
− EFIS 1 for left side.
− EFIS 2 for right side.
2. RA TST button PRESS. . . . . . . . . . . . .
− L DCP for left side.
− R DCP for right side.
3. RA TST button and EFIS test switch RELEASE. . . . .
4. FCS DIAGNOSTICS in red comes up
on EADI and EHSI CHECK. . . . . . . . . . . . . . . . . . . .
FCS DIAGNOSTICS FCS DIAGNOSTICS
= 000000
= 000000
= 000000
= 000000
REPORT MODE
REPAIR CODE
AP DIS CODE
STEER CODE
AP ENG CODE
032000
000000
000000
000000
ID NUMBER 04138F O4138F
LEFT RIGHT
TEST 2
1/2
L R
L GEN R
OVV
CAB PRESS
GDN
AHRS L R AIR DATA EMER PWR
1 2 EFIS
PROP OVSP
ENG OVSP
A
B
L R
RUD LIM
DH INT SECTOR SELECT
ROSE RR
DTA
BRG
DEV
RA
TST
FD ET
2ND
CRS
TURN
DN
UP
ENGAGED
DISENGAGED
YD AP
FCS DIAGNOSTICS
= 000000
= 000000
= 000000
= 000000
= 000000
REPORT MODE
REPAIR CODE
AP DIS CODE
YD DIS CODE
AP ENG CODE
YD ENG CODE
032000
000000
000000
000000
000000
LEFT RIGHT
HDG
BANK
NAV APPR
VS IAS CLIMB V NAV ALT
5. On the MSP SIMULTANEOUSLY PRESS . . . . . . . . . . . . . . . . . . . . . . . . .
ANY THREE MODE BUTTONS
FOR 3 SEC.
6. REPORT MODE comes up on EADI and
EHSI CHECK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7. On the MSP MOVE THE CURSOR DOWN . . . . . . . . . . . . . . . . . . . . . . . . .
TO THIRD LINE BY MOMEN −
TARILY PRESS ANY MODE
BUTTON.
8. Use pitch wheel on AP CONTROL PANEL to
display YD DIS CODE. The codes roll over
in alphabetical order.
− Wheel DN, code rolls forward.
− Wheel UP, code rolls reversed.
− Operate wheel momentarily DN or
UP to slowly roll codes.
9. On the MSP MOVE THE CURSOR DOWN TO . . . . . . . . . . . . . . . . . . . . . . . . .
FIFTH LINE.
10. Use pitch wheel to display YD ENG CODE.
11. Note in the AIRCRAFT LOGBOOK:
− REPAIR CODE
− AP DIS CODE
− YD DIS CODE
− AP ENG CODE
− YD ENG CODE
12. to disconnect FCS DIAGNOSTICS PRESS A/P DISC BUTTON . . . .
AND THEREAFTER, PRESS
EFIS TEST SWITCH.
− L A/P DISC button and EFIS 1 for
left side.
− R A/P DISC button and EFIS 2 for
right side.
13. End of procedure.
4.
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7.
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10.
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EFIS TEST PANEL DISPLAY CONTROL PANEL (DCP) MODE SELECT PANEL (MSP) AP CONTROL PANEL
Fig. 6 FCS DIAGNOSTICS − FD/AP failure annunciation mode