ATA OPERATIONS Area INSPECTIONS
1st
25 hrs 50
hrs 100
hrs Major Ann. Other
21-20 2) Visually inspect the air regulation box(es), the air outlets and the blower (if installed). 200 X X
21-40 Heating
21-40 1) Perform an operational test of the air
regulation controls, check that in "fire
shut-off" position the firewall-mounted
box(es) are blanked - refer to 200 X X
21-00-00 201.
21-40 2) Perform a detail examination of air
regulation hose(s) and firewall-mounted
box(es) for cracks. 100 X X
21-55 Vapor cycle cooling system
21-55 1) During the time the vapor cycle cooling system (if installed) is not used, run the compressor for 10 minutes, with engine at idle speed. 000 X X X X X1 month
21-55 2) Perform a functional test and a performance test of the vapor cycle cooling system (if installed) - refer to 21-55-00 501. 000 X X X
21-55 3) Check the level of the refrigerant on the sight indicator of the vapor cycle cooling system (if installed) - refer to 1 2-1 5-03 301. 200 X X X
21-55 4) Visually inspect the vapor cycle cooling system (if installed). 200 X X
21-55 5) Clean the suction filter and if necessary, the evaporator and the condenser of the vapor cycle cooling system (if installed) - refer to the latest issue of KEITH MM/IPC 200 X X 0 NOTE 1
No. 20-0101 SM.
21-55 6) Visually inspect the pipes and hoses of the vapor cycle cooling system (if installed) for routing and security. Check condition of unions. 000 X X
21-55 7) Check the condenser blower brushes for wear. Replace the brushes if necessary -refer to 21-55-02 201. 200 X
NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform the operations identified with a "0" unless the annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations.
AHAA
Validity : S / N 1 - 9999 05-20-01Page 206
(IA) JUN 011
ATA OPERATIONS Area INSPECTIONS
1st
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