Pilot's Operating Handbook
Section 3
Emergency procedures
EASA Approved
Edition 0 - March 05, 2019
Rev. 0
Page 3.10.1
3.10 - Pressurization and air conditioning
PRESSU OFF
1/2
Possibly due to :
-
system malfunction
,
-
BLEED switch on OFF position
.
If in flight :
1 -
Oxygen masks
Use
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 -
BLEED switch
Check / Correct
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If possible :
3 -
TRQ
Reduce
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
►
Fly the airplane
◄
4 -
BLEED switch
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 -
BLEED switch
AUTO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If
PRESSU OFF
is still ON :
If altitude > 10000 ft :
If necessary :
6 -
Perform procedure
Emergency descent
. . . . . . . .
Refer to chapter 3.6
7 -
Continue the flight.
●
NOTE
●
If Zp > 10000 ft ± 500 ft, it may be followed by
CABIN ALTITUDE
and
USE OXYGEN MASK
●
Inform maintenance department.
End of procedure
■
Continue
►
PIM - DO NOT USE FOR FLIGHT OPERATIONS
