Tue, Dec 20, 2011
AD NUMBER: 2011-26-06
MANUFACTURER: Airbus Model A330-200 and -300
series airplanes, Model A340-200 and -300 series airplanes, and
Model A340-500 and -600 series airplanes
SUBJECT: Airworthiness Directive 2011-26-06
ACTION: Final rule
SUMMARY: The FAA is adopting a new
airworthiness directive (AD) for Airbus Model A330-200 and -300
series airplanes, Model A340-200 and -300 series airplanes, and
Model A340-500 and -600 series airplanes.
This AD results from mandatory continuing airworthiness
information (MCAI) originated by an aviation authority of another
country to identify and correct an unsafe condition on an aviation
product.
The MCAI describes the unsafe condition as:
During a pre-flight test before
delivery of an aeroplane from the Airbus production line, a fault
message was triggered on FDU1 [fire detection unit]. Investigations
by the supplier on the faulty FDU have identified a soldering
quality issue on one of the internal cards. This quality issue
resulted from a specific repair process that was applied to some
FDU during manufacturing.
The FDU monitors the engine,
Auxiliary Power Unit (APU) and Main Landing Gear (MLG) bay fire
detection systems.
This condition, if not corrected,
may adversely affect the fire detection system performance in case
of a fire in the area that is monitored by the faulty FDU,
potentially resulting in an unsafe condition.
DATES: This AD becomes effective January 23,
2012
FMI:
AD
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