Fri, May 15, 2009
Applies To Columbia (formerly Lancair) LC40, LC41 and LC42
Series Aeroplanes
The Commonwealth Of Australia's,
Civil Aviation Safety Authority, has issued an Emergency AD on
Lancair/Columbia/Cessna Corvalis Rudder Hinges and Hinge
Brackets.
Applicability: Model LC40-550FG aircraft,
serial numbers 40001 through 40079.
Model LC41-550FG aircraft, serial numbers 41001 through 41800,
411001 and subsequent.
Model LC42-550FG aircraft, serial numbers 42001 through 42569,
421001 and subsequent.
Requirement:
- 1. For aircraft with 25 hours time in service or more as of 15
May 2009:
- Remove the rudder, and using 10x visual magnification, inspect
all three rudder hinges and rudder hinge brackets for damage, i.e.,
cracking, deformation, and discolouration.
- 2. For aircraft with less than 25 hours time in service as of
15 May 2009:
Without removing the rudder, visually inspect all three rudder
hinges and rudder hinge brackets for damage.
Note 1: FAA AD 2009-09-09 Amdt 39-15895 refers.
Note 2: Cessna Aircraft Company Single Engine Service Bulletin
SB09-27-01 refers.
Compliance:
- 1. Within 10 hours time in service or 30 days after 15 May
2009, whichever occurs first.
- Inspect thereafter as follows:
- At intervals not to exceed 25 hours time in service or 3
months, whichever occurs first, without removing the rudder,
visually inspect all three rudder hinges and hinge brackets for
damage.
- At intervals not to exceed 50 hours time in service or 6
months, whichever occurs first, remove the rudder, and using 10x
visual magnification, inspect all three rudder hinges and rudder
hinge brackets for damage.
- 2. Upon accumulating 25 hours time in service or within 10
hours time in service after 15 May 2009, whichever occurs later.
- Inspect thereafter as follows:
- At intervals not to exceed 25 hours time in service or 3
months, whichever occurs first, without removing the rudder,
visually inspect all three rudder hinges and rudder hinge brackets
for damage.
- At intervals not to exceed 50 hours time in service or 6
months, whichever occurs first, remove the rudder, and using 10x
visual magnification, inspect all three rudder hinges and rudder
hinge brackets for damage.
This Airworthiness Directive becomes effective on 15 May
2009.
Background: The FAA received reports of cracked
lower rudder hinge brackets on two of the affected aircraft.
Undetected damage in the rudder hinges and rudder hinge brackets
could result in failure of the rudder, which could lead to loss of
control.
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