Airworthiness directives › 2012-12-01
AD 2012-12-01 Airworthiness Directives; Airbus Airplanes
Models named: A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R, F4-605R, F4-622R, C4-605R Variant F, A310-203. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R, F4-605R, F4-622R, and C4-605R Variant F airplanes, and Model A310-203, -204, -221, -222, -304, -322, -324, and -325 airplanes; certificated in any category; all certified models, all manufacturer serial numbers.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Required actions
(1) This paragraph restates the actions and compliance times required by paragraph (f) of AD 2009-02-04, Amendment 39-15794 (74 FR 7792, February 20, 2009), with no changes. For Model A300-600 airplanes: Unless already done, within 3 months after March 27, 2009 (the effective date of AD 2009-02-04), modify the wiring in the right-hand electronics rack in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A300-28A6096, Revision 02, dated July 4, 2008. Doing the required actions in paragraph (h) or (i) of this AD, as applicable, terminates the actions required by this paragraph. (2) This paragraph provides credit for the modification required by paragraph (g)(1) of this AD, if the modification was performed before March 27, 2009 (the effective date of AD 2009-02-04) using Airbus Mandatory Service Bulletin A300-28A6096, dated October 19, 2007; or Revision 01, dated April 16, 2008.
Unsafe condition
This AD was prompted by reports of failures of four fuel level sensor-amplifier and multi-tank indicator (MTI) units. We are issuing this AD to prevent degradation of the electrical insulation sleeves of the low-level indication lamps on the MTI, which could cause a short circuit that might result in high voltage being conveyed to the high and low level sensors in the wing tanks. This condition could cause the level sensor to heat above acceptable limits, possibly resulting in a fuel tank explosion, and consequent loss of the airplane.
Affected ADs
This AD supersedes AD 2009-02-04, Amendment 39-15794 (74 FR 7792, February 20, 2009).
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1