Fri, Oct 21, 2011
AD NUMBER: 2011-21-14
MANUFACTURER: Airbus Airplanes
SUBJECT: Airworthiness Directive 2011-21-14
ACTION: Final Rule
SUMMARY: The FAA is superseding an existing
airworthiness directive (AD) that applies to certain Model A300
B4-600, B4-600R, and F4-600R series airplanes, and Model C4-605R
Variant F airplanes (collectively called A300-600 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:
[T]he FAA has published SFAR 88
(Special Federal Aviation Regulation 88). Under this regulation,
all holders of type certificates for passenger transport aeroplanes
... are required to conduct a design review against explosion
risks. The replacement of some types of P-clips and improvement of
the electrical bonding of the equipment in the fuel tanks [were]
are rendered mandatory.
Subsequently, an internal review
... led ... to ... an additional check [for blue coat] of the
bonding points in the centre tank. More recently, another internal
review [introduced] additional work [installing bonding points] for
aeroplanes under Configuration 03 ... and additional work [bonding
the fuel jettison system–blanking plates] on the wing tanks
for aeroplanes under Configuration 07.
The unsafe condition is damage to
wiring in the wing, center, and trim fuel tanks, due to failed
Pclips used for retaining the wiring and pipes, which could result
in a possible fuel ignition source in the wing, center, or trim
fuel tanks.
DATES: This AD becomes effective November 23,
2011.
FMI:
AD
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