MAINTENANCE MANUAL
SAVANNAH S
Doc. No.:
MM-SVNH-EN
Revision:
07
Rev. Date:
07/11/2022
Proj. Ref.:
SVNH S
A/C:
Savannah S
Applies to Generic Serial Number:
yy-mm-54-xxxx
Page:
60/132
DOC
FMM00
Structure /
System
N°
Inspection item
Action / Description
Left wing
04.13
Attachment bolts and stop
nuts
Replace all the connection bolts/nuts and
check proper closure torque. Add mark
04.14
Flaperon horns
Check all the hinge line holes within 0.2
[mm] tolerance in respect of FCS
bushing external diameter
04.15
Pitot
Disconnect the dynamic pipe of the
Airspeed Indicator instrument. Check
pitot pipe line maintain pressure of 0.3
[bar] for about one minute. If not, replace
the line and/or fittings
04.16
Static system
Disconnect all the pneumatic instruments
from the static pipe line. Check static
system maintain pressure of 0.3 [bar] for
about one minute. If not, replace the line
and/or fittings
Left
Flaperon
05.06
Hinges
Replace all bolts, castle nuts with cotter
pins and bushings of control surface
05.07
Hinge horn holes
Check all the hinge horn holes internal
diameter, within 0.2 [mm] tolerance in
respect of nominal bushing diameter
Stabilizer
06.05
Attachments
Check all the attachments internal
diameter, within 0.2 [mm] tolerance in
respect of nominal bolt diameter
06.06
Attachment bolts and stop
nuts
Replace all the connection bolts/nuts and
check proper closure torque. Add mark
06.07
Fin attachments
Check the fin attachment holes within 0.2
[mm] tolerance in respect of nominal bolt
diameter
06.08
Elevator hinge horn holes
Check all the hinge horn holes internal
diameter, within 0.2 [mm] tolerance in
respect of nominal bushing diameter
Elevator
07.07
Hinges
Replace all bolts, castle nuts with cotter
pins and bushings of control surface
07.08
Hinge horn holes
Check elevator central horn with
particular attention to cracks in the
corners, missing/loosing rivets and
rigidity of assembly in lateral direction.
Check elevator lateral horns with
particular attention to cracks and riveted
areas. Check all hinge holes within
tolerance of 0.2 [mm] in respect of the
nominal bolt diameter
Table 22b