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©
A
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B
orne
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ports
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td.
XT 582 Maintenance Manual
Issue 1.0
September 21st 2005
Page 15
4. AIRWORTHINESS LIMITATIONS
4.00.00
General
This section sets forth each mandatory replacement time, structural inspection interval, and related
structural inspection procedure required for type certification.
4.10.00
Log of Effective pages – Airworthiness Limitations
4.20.00
Airframe Limitations
Component
Life (hours)
Requirement
Heart Bolt Bolt
(1 off)
50
Mandatory
Replacement.
(Drwg 5564)
Front Suspension
Pivot Bolts (2 off)
Rear Suspension
Pivot bolts (4 off)
200
Remove Inspect and
replace if necessary.
(Drwg 5590&5787)
Masts and Base
Tube
953
Check Service
Bulletins (See note).
Return to service if no
SB action required.
Trike Structure,
Excluding Masts and
Base Tube
Structures
8338
Check Service
Bulletins (See note).
Return to service if no
SB action required.
Table 6 Airframe Limitations
The airframe was analysed using FAA fatigue analysis “Fatigue Evaluation Of Wing and Associated
Structure on Small Airplanes FAA Report # AFS-120-73-2”, in order to estimate the time life limits for
the major components of the airframe, this is detailed in Airborne report 04-144ds. The estimates that
have been made do not take into account any extreme loads, which will reduce the fatigue life of the
airframe. The fatigue life of these components is dependent upon rigid adherence to maintenance
schedules.
The bolts that are listed are known through history of operation to be effected more through mechanical
wear than through fatigue, and therefore the time life for these components is less than the calculated
values for the airframe.
As the service history of the airframe evolves these time life estimates are expected to be revised,
amendments should be checked for regularly.
Note:
See Airborne web site for service bulletin details