TM 9-2320-365-10
Table 2-1. Preventive Maintenance Checks and Services (All Models) (Cont)
Location
Item
No.
Interval
Item to
Check/
Service
Crewmember
Procedure
Not Fully
Mission Capable
If:
45
Weekly
Heater/
Defrost
Controls
Check FAN switch, HEAT
control, VENT control,
and DEFR (defrost)
control for proper
operation (para 2-25).
2-67
