300-Hour Airframe Progressive Inspection Program; Airframe Periodic Inspection Program - Bell 206L4 Maintenance Manual

BHT-206L4-MM-1
• Weekly inspection
• 12-month inspection
• 12 months of component operation
• 24-month inspection
• 60-month inspection
• 300-hour or 12-month inspection
• 600-hour or 12-month inspection
• 1200 hours of component operation
• 1500 hours of component operation
• 2250 hours or 60 months of component
operation
• 3000 hours of component operation
5-11. 300-HOUR AIRFRAME
INSPECTION PROGRAM
The 300-hour airframe
program has 6 events. Events occur at intervals of
50 hours. After you complete event No. 6, the cycle
begins again with event No. 1
a minimum of one complete cycle (all six events)
within 12 calendar months. If you do not complete all
six events in a 12 calendar month period, the
remaining events must be completed prior to operating
the helicopter.
Table 5-2. 300-Hour Airframe Progressive
Inspection Events
AIRFRAME EVENT
HOURS NUMBER
50
100
150
200
250
300
5-00-00
Page 8 Rev. 18 7 JUN 2013
PROGRESSIVE
progressive inspection
(Table 5-2). You must do
MAINTENANCE
ZONES
1 1 and 2
2 3
3 4
4 5 and 6
5 7 and 8
6 9 and 10
In addition to performing the 300-hour airframe
progressive inspection program, you also need to
perform and record
inspections:
Helicopters completing
airframe progressive inspection program
also need to accomplish the 100-hour
inspection.
• 100-hour inspection
• 1200-hour inspection
• As required by manufacturer
• Weekly inspection
• 12-month inspection
• 12 months of component operation
• 24-month inspection
• 60-month inspection
• Deleted
• 600-hour or 12-month inspection
• 1200 hours of component operation
• 1500 hours of component operation
• 2250 hours or 60 months of component
operation
• 3000 hours of component operation
5-12. AIRFRAME
PROGRAM
The airframe periodic inspection combines all of the
events of the 100 or 300-hour progressive inspection
into one event.
All conditions of Table 5-3
utilize the 300-hour airframe periodic
inspection.
Export Classification C, ECCN EAR99
the following scheduled
NOTE
the 300-hour
PERIODIC INSPECTION
NOTE
must be met to