6
Cabin Pressurization
6.1 Do a visual inspection through the inlet valve of the cabin pressurization system for contamination of these
components:
−
The outflow valve
−
The safety valves.
6.2 If contamination is found, do as follows:
−
Remove the outflow valve, refer to AMM 12-B-21-30-03-00A-920A-A or 12-B-21-30-03-00A-920B-A and
clean as necessary.
−
Clean the safety valve, refer to AMM 12-B-21-30-02-00A-250A-A.
7
Pitot/Static System
7.1 Make sure that the pitot/static system is free from contamination as follows:
7.1.
1
Disconnect the pitot/static system from the aircraft equipment.
7.1.
2
Remove the pitot/static system drain traps.
7.1.
3
Blow clean dry low pressure air through the pitot/static lines from the pitot heads and static ports.
7.1.
4
Install the pitot/static system drain traps.
7.1.
5
Connect the pitot/static system to the aircraft equipment.
7.2 Do a pitot/static system leak check, refer to AMM 12-B-34-11-00-00A-903A-A.
8
Detailed Examination/Test
8.1 Do an operational test of the aircraft flight controls to make sure that movement is full, free and smooth.
8.2 If the aircraft has, or is suspected to have been struck by a coronal discharge (St. Elmo's Fire), refer to AMM
8.3 Inspect the engine, refer to P&WC EMM 72-00-00, Unscheduled Inspection - Aircraft Flown Through Volcanic
Ash or Smoke.
8.4 Do Step 5.3 and Step 5.4 again.
9
Close Up
9.1 Make sure that the work areas are clean and clear of tools and other items.
Requirements after job completion
Required Conditions
Table 6 Required Conditions
Action / Condition
Data module/Technical publication
None
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 27 MSN 545, 1001-1719, 1721-1942
12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All
12-B-05-50-15-00A-282A-A
End of data module
UNCLASSIFIED
19.11.2019 Page 4