Airworthiness directives › 2015-15-07
AD 2015-15-07 Airworthiness Directives; Bombardier, Inc. Airplanes
Models named: DHC-8-400, -401, -402. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Bombardier, Inc. Model DHC-8-400, -401, and -402 airplanes, certificated in any category, serial numbers 4001 through 4424 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of AD 2015-10-01, Amendment 39-18156 (80 FR 32449, June 9, 2015), with no changes. Within 2,000 flight hours or 12 months after July 14, 2015 (the effective date of AD 2015-10-01), whichever occurs first: Do a general visual inspection of the MLG alternate extension system reservoir lid for correct assembly, and do all applicable corrective actions, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 84-29-34, dated May 9, 2013, and with the attached Parker Service Bulletin 82910012-29-431, dated October 22, 2012, as referenced in Bombardier Service Bulletin 84-29-34, dated May 9, 2013. Do all applicable corrective actions within 2,000 flight hours or 12 months after July 14, 2015, whichever occurs first.
Unsafe condition
This AD was prompted by reports of hydraulic fluid loss from the reservoir of the main landing gear (MLG) alternate extension system. We are issuing this AD to, in the event of a failure of the primary MLG extension system, prevent failure of the alternate MLG extension system to fully extend the MLG into a down-and-locked position, which could result in collapse of both left-hand and right-hand MLG sides during touchdown.
Affected ADs
This AD replaces AD 2015-10-01, Amendment 39-18156 (80 FR 32449, June 9, 2015).
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